Skip to main content

Amgen vs Hitachi: Founders, CEOs and History

Amgen was founded in 1980 by George B. Rathmann, William K. Bowes Jr. and is led by Robert A. Bradway. Hitachi was founded in 1910 by Namihei Odaira and is led by Toshiaki Tokunaga.

Company facts

Amgen

Founded
1980
Headquarters
Thousand Oaks, California
Current CEO
Robert A. Bradway
Employees
31,500

Hitachi

Founded
1910
Headquarters
Tokyo, Japan
Current CEO
Toshiaki Tokunaga
Employees
287,901

Founders

Amgen

  • George B. Rathmann

    Amgen, originally incorporated as Applied Molecular Genetics, was founded in 1980 not by a single scientist, but by a calculated syndicate of venture capitalists and academics trying to commercialize the brand-new science of recombinant DNA.

  • William K. Bowes Jr.

    William K. Bowes Jr. Was the venture capital strategist whose vision catalyzed Amgen's formation.

Amgen founders in full

Hitachi

  • Namihei Odaira

    Hitachi possesses a historic, foundational founding story, rooted in the industrialization of early 20th-century Japan and driven by a nationalist obsession with technological independence.

Hitachi founders in full

CEOs and their tenures

Amgen

  1. George B. Rathmann1980–1988

    Chief Executive Officer

    George Rathmann, a physical chemist who had run research and development at Abbott Laboratories, was named Amgen's first chief executive in 1980 and worked from a small trailer so that laboratory space could go to scientists.

    Source
  2. Gordon M. Binder1988–2000

    Chief Executive Officer

    Gordon Binder joined Amgen as chief financial officer in 1982 and led its June 1983 initial public offering.

    Source
  3. Kevin W. Sharer2000–2012

    Chief Executive Officer

    Kevin Sharer joined Amgen in 1992 as president and chief operating officer and became chairman and chief executive in 2000.

    Source
  4. Robert A. Bradway2012–present

    Chairman and Chief Executive Officer

    Robert Bradway became chief executive on May 23, 2012, succeeding Kevin Sharer as the fourth CEO in Amgen's history, and added the chairmanship at the start of 2013.

    Source
Amgen CEO history in full

Hitachi

  1. Hiroaki Nakanishi2010–2016

    President, later Chairman and Chief Executive Officer

    Hitachi returned to profit and sold or merged several non-core units under him. Toshiaki Higashihara succeeded him as chief executive in 2016.

    Source
  2. Toshiaki Higashihara2016–2022

    Former President and Chief Executive Officer

    Shifted Hitachi from a sprawling conglomerate toward infrastructure and digital businesses.

    Source
  3. Keiji Kojima2022–2025

    Executive Chairman (CEO 2022-2025)

    Finished much of the portfolio cleanup and handed over a more focused group to Tokunaga.

    Source
  4. Toshiaki Tokunaga2025–present

    President and Chief Executive Officer

    Brings an energy and rail background to the top job as Hitachi Energy and Hitachi Rail drive more of the group's growth.

    Source
Hitachi CEO history in full

Timeline: Amgen and Hitachi side by side

  1. 1910Hitachi

    Founding and First Induction Motor

    Namihei Odaira establishes the machinery repair shop that becomes Hitachi, and develops Japan's first 5-horsepower induction motor, establishing the foundation for the company's dominance in electrical engineering.

  2. 1932Hitachi

    Expansion into Railway Technology

    Hitachi begins manufacturing electric locomotives and rail signaling systems, establishing a deep, institutionalized relationship with the Japanese national railway network that would evolve into the modern Hitachi Rail division.

  3. 1959Hitachi

    Entry into Computing and Electronics

    Hitachi develops its first electronic computer, the HITAC, marking the company's strategic entry into the information technology sector and laying the groundwork for its future digital systems business.

  4. 1980Amgen

    Applied Molecular Genetics is incorporated

    Applied Molecular Genetics (AMGen) was incorporated on April 8, 1980 in Thousand Oaks, California, as the idea of venture capitalist William K. Bowes Jr. and a group of scientific collaborators.

  5. 1983Amgen

    Nasdaq listing and the erythropoietin clone

    Amgen completed its initial public offering on June 17, 1983, raising nearly US$40 million under chief financial officer Gordon Binder, and formally shortened its name to Amgen.

  6. 1984Amgen

    Kirin-Amgen joint venture formed

    Amgen and Kirin Brewery Company of Japan formed Kirin-Amgen in 1984 as a joint venture for the worldwide commercialization of erythropoietin.

  7. 1985Amgen

    G-CSF cloned, leading to Neupogen

    While Fu-Kuen Lin's team worked on erythropoietin, researcher Larry Souza and his group cloned and expressed human granulocyte colony-stimulating factor in 1985.

  8. 1989Amgen

    FDA approves Epogen

    The FDA approved Epogen (epoetin alfa) on June 1, 1989 for anemia in patients with chronic kidney failure on dialysis. It was the first commercial recombinant human erythropoietin. Epogen's U.S.

  9. 1991Amgen

    Neupogen approved, giving Amgen a second franchise

    The FDA approved Neupogen (filgrastim) in February 1991. By stimulating white blood cell production it reduced the risk of infection in cancer patients with chemotherapy-induced neutropenia.

  10. 1991Amgen

    Amgen wins the erythropoietin patent fight

    On March 6, 1991 the U.S. Court of Appeals for the Federal Circuit upheld the Kirin-Amgen erythropoietin patent and ruled against Genetics Institute in Amgen v. Chugai Pharmaceutical and Genetics Institute.

  11. 2001Amgen

    FDA approves Aranesp, the longer-acting EPO

    Aranesp (darbepoetin alfa), an erythropoietin analogue with modified glycosylation and a longer half-life, was approved in 2001. Less frequent dosing than Epogen improved convenience and gave Amgen a newer, higher-priced product to migrate patients toward.

  12. 2002Amgen

    US$16 billion Immunex acquisition brings Enbrel in-house

    Amgen completed its acquisition of Immunex Corporation on July 16, 2002, the largest biotechnology deal to that point at about US$16 billion in stock and cash.

  13. 2009Hitachi

    Record Annual Loss

    Hitachi reported a net loss of about 787 billion yen for the year to March 2009, then the largest by a Japanese manufacturer.

  14. 2010Amgen

    Prolia and XGEVA create the bone health franchise

    The FDA approved Prolia (denosumab) for postmenopausal osteoporosis in June 2010 and XGEVA, the same molecule at a higher dose, for prevention of skeletal-related events in cancer patients in November 2010.

  15. 2016Hitachi

    Toshiaki Higashihara becomes CEO

    Toshiaki Higashihara became CEO of Hitachi in 2016. Shifted Hitachi from a sprawling conglomerate toward infrastructure and digital businesses.

  16. 2019Amgen

    US$13.4 billion purchase of Otezla from Celgene

    Amgen agreed in August 2019 to buy worldwide rights to Otezla (apremilast) from Celgene for US$13.4 billion in cash, or about US$11.2 billion net of the present value of US$2.2 billion of anticipated future cash tax benefits, and closed on November 21, 2019.

  17. 2020Amgen

    Amgen joins the Dow Jones Industrial Average

    Amgen replaced Pfizer in the Dow Jones Industrial Average on August 31, 2020, becoming one of the thirty components in the index. Inclusion recognized the scale Amgen had reached and added passive demand from Dow-tracking funds.

  18. 2020Hitachi

    Acquisition of ABB's Power Grids Business

    Hitachi executes the $11 billion acquisition of ABB's Power Grids business, renaming it Hitachi Energy and instantly establishing the company as the global leader in HVDC transmission and grid infrastructure.

  19. 2021Hitachi

    Acquisition of GlobalLogic

    The company acquires the global digital engineering firm GlobalLogic for $9.6 billion, instantly establishing Hitachi as a top-tier provider of advanced software and product design services for the automotive and telecommunications sectors.

  20. 2022Hitachi

    Hitachi Construction Machinery Stake Sale

    Hitachi sold a controlling stake in Hitachi Construction Machinery to Itochu and Japan Industrial Partners, part of its exit from cyclical listed subsidiaries.

  21. 2023Amgen

    US$27.8 billion Horizon Therapeutics acquisition closes

    Amgen completed the acquisition of Horizon Therapeutics plc on October 6, 2023 for US$116.50 per share in cash, an equity value of about US$27.8 billion, after settling FTC litigation with a behavioral consent decree.

  22. 2024Amgen

    Imdelltra becomes the first T-cell engager for small cell lung cancer

    The FDA granted accelerated approval to tarlatamab, sold as Imdelltra, on May 16, 2024 for extensive stage small cell lung cancer that has progressed on or after platinum-based chemotherapy.

  23. 2024Hitachi

    Acquired Thales Ground Transportation Systems

    Hitachi acquired Thales Ground Transportation Systems. Hitachi Rail completed its ~$1.88 billion (EUR 1.66 billion) acquisition of Thales's Ground Transportation Systems business, its rail signalling division, expanding Hitachi Rail to 51 countries and shiftin…

  24. 2025Amgen

    VESALIUS-CV extends the Repatha case to primary prevention

    In November 2025 Amgen reported Phase 3 VESALIUS-CV results in more than 12,000 patients with atherosclerosis or diabetes but no prior heart attack or stroke.

  25. 2025Hitachi

    Toshiaki Tokunaga Becomes CEO

    Toshiaki Tokunaga became President and CEO on April 1, 2025, succeeding Keiji Kojima, who became Executive Chairman.

  26. 2026Amgen

    Medicare price setting reaches Enbrel and Otezla

    Enbrel's negotiated Medicare price under the Inflation Reduction Act took effect on January 1, 2026, after it was named in the first round of ten drugs selected for negotiation.

  27. 2026Hitachi

    Record Results and Home Appliance Sale

    Hitachi reported record FY2025 profit in April 2026 and agreed to sell 80.1% of its home appliance business to Nojima for about $737 million (¥110 billion).

Acquisitions

Amgen

  • Horizon Therapeutics plc2023$27.8B
  • ChemoCentryx, Inc.2022$3.7B
  • Five Prime Therapeutics2021$1.9B
  • Celgene Otezla Business2019$13.4B
  • Onyx Pharmaceuticals, Inc.2013$10.4B
  • DeCODE Genetics2012$415M
All Amgen acquisitions

Hitachi

  • Thales Ground Transportation Systems2024Undisclosed
  • GlobalLogic2021Undisclosed
  • ABB Power Grids2020Undisclosed
All Hitachi acquisitions

Questions about Amgen vs Hitachi

Who is the CEO of Amgen Inc. and Hitachi, Ltd.?

Amgen Inc. is led by Robert A. Bradway and Hitachi, Ltd. is led by Toshiaki Tokunaga. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was Amgen Inc. founded vs Hitachi, Ltd.?

Hitachi, Ltd. was founded in 1910 — 70 years before Amgen Inc., which was founded in 1980. Hitachi, Ltd.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Amgen Inc..

How many employees does Amgen Inc. have compared to Hitachi, Ltd.?

Amgen Inc. employs approximately 31,500 people, while Hitachi, Ltd. employs approximately 287,901. Hitachi, Ltd. has the larger workforce at 287,901 employees, compared to Amgen Inc.'s 31,500. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are Amgen Inc. and Hitachi, Ltd. headquartered?

Amgen Inc. is headquartered in United States and Hitachi, Ltd. is headquartered in Japan. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.

Who founded Amgen Inc. and Hitachi, Ltd.?

Amgen Inc. was founded by George B. Rathmann, William K. Bowes Jr.. Hitachi, Ltd. was founded by Namihei Odaira.

Which company has a longer operating history — Amgen Inc. or Hitachi, Ltd.?

Hitachi, Ltd. has been operating for approximately 116 years, making it the more established of the two companies. Amgen Inc. has been in operation for around 46 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.

Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Amgen vs Hitachi overview

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.