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For the Inventor, By the Inventor

Tsukuba, Japan

Kenji Hayashi

This inventor holds 25 USPTO granted patents and 2 EPO patents, primarily in Pharmaceutical Compounds. Top assignees: Eisai Company, Limited, Komori Corporation, Eisai R&d Management Co., Ltd.. Active years: 1988-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hayashi. Retrieved from https://idiyas.com/inventor/kenji-hayashi-nkrk2951

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 25

% Patents Active = 88.0

 

Average Co-Inventor Count = 9.4

ph-index = 6

Forward Citations = 151(Granted Patents)


Location History:

  • Yatabemachi, JP (1988 - 1993)
  • Ibaraki Prefecture, JP (1997 - 2000)
  • Chiba, JP (2004)
  • Ibaraki, JP (1995 - 2005)
  • Tsukuba, JP (1989 - 2018)

Company Filing History:

goldMedal20 out of 677 
 
Eisai Company, Limited
 patents
silverMedal3 out of 357 
 
Komori Corporation
 patents
bronzeMedal2 out of 530 
 
Eisai R&d Management Co., Ltd.
 patents

Years Active: 1988-2018

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Areas of Expertise:
Intaglio Printer
Printing Press
Calcium Compounds
Sulfonamide Compounds
Imidazole Compounds
Amino Acid Derivatives
Benzene Derivatives
Phosphonic Acid Derivatives
Diphenylethylene Compounds
Pharmaceutical Compositions
Tocopherol Preparation
Polyprenyl Compounds
25 patents (USPTO):Explore Patents
1. 10124572 - Method and device for adjusting contact pressure of intaglio printer wiping roller (2018-11-13),
2. 9233530 - Drive control method and drive control apparatus for printing press (2016-01-12),
3. 7816405 - Calcium bis [(2S)-3-[3-[(2S)-3-(4-chloro-2-cyanophenoxy)-2-fluoropropoxy]phenyl ]-2-isopropoxypropionate] and intermediate thereof (2010-10-19),
4. 7754894 - Crystalline sulfonamide-containing indole compound and process for preparing the same (2010-07-13),
5. 6841549 - Condensed imidazole compounds and a therapeutic agent for diabetes mellitus (2005-01-11),
6. 6772689 - Printing quality inspection apparatus (2004-08-10),
7. 6020505 - Process for the preparation of .alpha.-tocopherol (2000-02-01),
8. 5886197 - Process for the preparation of .alpha.-tocopherol (1999-03-23),
9. 5719303 - Phosphonic acid derivatives (1998-02-17),
10. 5679671 - Amino acid derivative (1997-10-21),
11. 5668136 - Trisubstituted benzene derivatives, composition and methods of treatment (1997-09-16),
12. 5663376 - Process for the preparation of .alpha.-tocopherol (1997-09-02),
13. 5462958 - Benzene derivatives and method of treating arteriosclerosis with benzene (1995-10-31),
14. 5453524 - Phosphorus-containing isoprenoid derivatives (1995-09-26),
15. 5206403 - Diphenylethylene derivatives, pharmaceutical compositions containing (1993-04-27),

Title: Kenji Hayashi - Innovative Inventor from Tsukuba, Japan

Introduction: Kenji Hayashi is a renowned inventor hailing from Tsukuba, Japan, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Kenji Hayashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, Kenji Hayashi has worked with leading research institutions and universities, developing cutting-edge technologies that have revolutionized the industry.

Collaborations: Throughout his career, Kenji Hayashi has collaborated with top companies, such as Toyota and Sony, to bring his inventions to the market, solidifying his reputation as a visionary inventor.

Conclusion: Kenji Hayashi's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventions, inspiring the next generation of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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