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For the Inventor, By the Inventor

Tokyo, Japan

Keio University


USPTO Granted Patents = 360

% Expired Patents = 37.2



Forward Citations = 1,816

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849 inventors (with patents filed for the assignee):

goldMedal Tadahiro Kuroda (30 out of 68 patents)

silverMedal Hideyuki Okano (21 out of 30 patents)

bronzeMedal Kouhei Ohnishi (15 out of 16 patents)

4.  Kenya Honda (10 out of 43 patents)

5.  Toshiro Sato (9 out of 22 patents)

6.  Yutaka Kawakami (9 out of 13 patents)

7.  Yasuhiro Koike (9 out of 58 patents)

8.  Yusuke Tanigawara (9 out of 9 patents)

9.  Takahiro Mizoguchi (9 out of 9 patents)

10.  Minoru Ko (8 out of 9 patents)

11.  Kazuo Tsubota (8 out of 22 patents)

12.  Akito Nishimuta (8 out of 8 patents)

13.  Keiichi Fukuda (7 out of 27 patents)

14.  Masahira Hattori (7 out of 23 patents)

15.  Hiroyuki Tsuda (7 out of 7 patents)


Core Competencies:
Cell Culture
Differentiation Methods
Medical Imaging
Pluripotent Stem Cells
Biomarkers
Therapeutic Agents
Infrared Analysis
T-Cell Induction
Organoid Culturing
Haptic Systems
Cancer Detection
Biometric Processing

360 patents:

1. 12735677 - Method for producing astrocyte-like cells (2026-09-15),
2. 12730513 - Tactile feedback apparatus (2026-09-08),
3. 12716053 - Method For Differentiating Pluripotent Stem Cells Into Desired Cell Type (2026-08-25),
4. 12698339 - ANTI-GLYPICAN-1-IMMUNIZING ANTIGEN RECEPTOR (2026-08-04),
5. 12686122 - Function management system, function management method, and storage medium (2026-07-21),
6. 12680080 - Proliferative liver organoid, metabolically activated liver organoid, and use thereof (2026-07-14),
7. 12678423 - Therapeutic agent for amyotrophic lateral sclerosis and composition for treatment (2026-07-14),
8. 12668773 - PRODUCTION METHOD FOR ORGANOID (2026-06-30),
9. 12651338 - Image diagnossis assistance device, image diagnossis assistance method, and image diagnossis assistance program (2026-06-09),
10. 12633101 - Information processing apparatus, information processing method, learning method and moving object for predicting a region in an image corresponding to utterance (2026-05-19),
11. 12629845 - Control system, control device, and control method (2026-05-19),
12. 12629496 - Control system, control device, and control method (2026-05-19),
13. 12590888 - Infrared analysis chip, and infrared imaging device (2026-03-31),
14. 12584106 - Method for producing oligodendrocyte-like cells (2026-03-24),
15. 12582680 - PHARMACEUTICAL COMPOSITION FOR PREVENTION, AMELIORATION, OR TREATMENT OF SKIN DISEASE (2026-03-24),
Company Overview
Keio University, located in Tokyo, Japan, is a leading institution renowned for its advancements in cell culture technologies. The university specializes in various core technology topics, including cell culture, differentiation methods, and medical imaging. Its research initiatives focus on pluripotent stem cells, biomarkers, and therapeutic agents, contributing significantly to the fields of regenerative medicine and immunotherapy. Keio's innovative approaches, such as infrared analysis and T-cell induction, position it at the forefront of biomedical research and development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Keio University USPTO Patent Assignee Logo
360 Patents

#235 in Tokyo

#472 in Japan

#2,554 in the World

Tokyo, JP
Tokyo, Japan

Keio University

Forward Citations = 1,816

849 inventors:

goldMedal Tadahiro Kuroda (30 out of 68 patents)

silverMedal Hideyuki Okano (21 out of 30 patents)

bronzeMedal Kouhei Ohnishi (15 out of 16 patents)

4.  Kenya Honda (10 out of 43 patents)

5.  Toshiro Sato (9 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keio University. Retrieved from https://idiyas.com/company/keio-university

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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