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For the Inventor, By the Inventor

Saitama, Japan

Japan Science and Technology Corporation


USPTO Granted Patents = 373

% Expired Patents = 54.2



Trademarks = 2

Forward Citations = 7,887

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667 inventors (with patents filed for the assignee):

goldMedal Shu Kobayashi (17 out of 45 patents)

silverMedal Takaaki Maekawa (10 out of 16 patents)

bronzeMedal Isao Saito (8 out of 19 patents)

4.  Hiroshi Shimizu (8 out of 12 patents)

5.  Hitoshi Endou (7 out of 25 patents)

6.  Hideomi Koinuma (6 out of 34 patents)

7.  Akihisa Inoue (5 out of 64 patents)

8.  Hiroshi Sugiyama (5 out of 87 patents)

9.  Yoshihide Hayashizaki (5 out of 54 patents)

10.  Yoshihisa Yamamoto (5 out of 35 patents)

11.  Takatomo Sasaki (5 out of 53 patents)

12.  Eishun Tsuchida (5 out of 29 patents)

13.  Masashi Kawasaki (5 out of 45 patents)

14.  Yoshio Umezawa (5 out of 10 patents)

15.  Yoshihisa Inoue (5 out of 10 patents)


Core Competencies:
Immune Response
Stem Cells
Protein Function
Biocompatible Materials
Liquid Crystal Displays
Quantum Cipher
Nucleic Acid Analysis
Catalysts
Microencapsulation
Gene Expression
Optical Devices
Neural Networks

373 patents:

1. 9018245 - Method for promoting immune response comprising inhibiting CD22 function in B cells (2015-04-28),
2. 8592176 - Methods for forming and using a stratified structure of epithelial cells (2013-11-26),
3. 8524094 - Masking material for dry etching (2013-09-03),
4. 8454987 - Biocompatible transparent sheet, method for producing the same, and cultured cell sheet used the same sheet (2013-06-04),
5. 8216776 - Dialysate of peritoneal dialysis and its preparation method (2012-07-10),
6. 8097770 - Plant having improved growth ability and disease resistance and method for production thereof (2012-01-17),
7. 7901594 - Polyacene derivatives and production thereof (2011-03-08),
8. 7880847 - Liquid crystal display with group of interdigitated electrodes (2011-02-01),
9. 7820423 - Method and a system for predicting protein functional site, a method for improving protein function, and a function-modified protein (2010-10-26),
10. 7741242 - Palladium catalyst composition (2010-06-22),
11. 7707402 - Quantum cipher communication system (2010-04-27),
12. 7671250 - Method of acquiring immunological tolerance (2010-03-02),
13. 7604972 - Nicotianamine synthase (2009-10-20),
14. 7585931 - Optically active high-molecular compounds (2009-09-08),
15. 7488698 - Microencapsulated metal catalyst (2009-02-10),
Company Overview
Japan Science and Technology Corporation, based in Saitama, specializes in advancing biotechnology innovations. The organization focuses on critical areas such as immune response, stem cell research, and protein function, contributing to the development of biocompatible materials and innovative technologies like liquid crystal displays and quantum ciphers. Additionally, it engages in nucleic acid analysis and catalyst research, positioning itself at the forefront of scientific exploration and technological advancement in Japan.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Japan Science and Technology Corporation USPTO Patent Assignee Logo
373 Patents

#10 in Saitama 343-0827

#460 in Japan

#2,476 in the World

Saitama, JP
Saitama, Japan

Japan Science and Technology Corporation

Forward Citations = 7,887

667 inventors:

goldMedal Shu Kobayashi (17 out of 45 patents)

silverMedal Takaaki Maekawa (10 out of 16 patents)

bronzeMedal Isao Saito (8 out of 19 patents)

4.  Hiroshi Shimizu (8 out of 12 patents)

5.  Hitoshi Endou (7 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Science and Technology Corporation. Retrieved from https://idiyas.com/company/japan-science-and-technology

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

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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