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Tohoku University

USPTO Granted Patents = 1,052

% Expired Patents = 25.5

CIPO Patents = 9

EPO Patents = 300

Trademarks = 2

Forward Citations = 2,788

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2,011 inventors (with patents filed for the assignee):

Tetsuo Endoh (85 out of 109 patents)

Hideo Ohno (68 out of 79 patents)

Tadahiro Ohmi (52 out of 201 patents)

4. Shoji Ikeda (51 out of 58 patents)

5. Tadahiro Ohmi (44 out of 93 patents)

6. Shigetoshi Sugawa (43 out of 175 patents)

7. Hideo Sato (31 out of 31 patents)

8. Akinobu Teramoto (25 out of 37 patents)

9. Rihito Kuroda (22 out of 23 patents)

10. Shunsuke Fukami (20 out of 51 patents)

11. Hiroyuki Yokoyama (20 out of 37 patents)

12. Junichi Koike (19 out of 56 patents)

13. Tomokazu Matsue (19 out of 24 patents)

14. Masaki Hirayama (19 out of 89 patents)

15. Hiroaki Honjo (18 out of 18 patents)

Core Competencies:

Plasma Processing

Protein Purification

Magnetic Memory

Vascular Dementia

Ophthalmic Processing

Electrochemical Detection

Image Processing

Combinatorial Optimization

Semiconductor Devices

Tactile Communication

Low Back Pain Analysis

Gallium Nitride

1,052 patents: Sort by Forward Citations

1. 12770962 - Sheet for folding batteries, folding battery, and method for producing folding battery (2026-10-20),

2. 12755882 - Thin film inductor element and thin film variable inductor element (2026-10-06),

3. 12753213 - NOVEL POLYPEPTIDE EXHIBITING FLUORESCENT PROPERTIES AND USE FOR SAME (2026-10-06),

4. 12742682 - Spectroscopic device, spectroscopic method, Raman scattering analysis device, luminescence spectroscopic analysis device, and harmonic observation device (2026-09-22),

5. 12723240 - DROPLETS AND METHOD FOR PRODUCING SAME (2026-09-01),

6. 12716886 - Biological information measurement device, biological information measurement method, and computer-readable recording medium (2026-08-25),

7. 12716116 - Co-based superelastic alloy materials, plate materials and wire materials comprising Co-based superelastic alloy materials, Co-based superelastic alloy materials manufacturing methods, stents, guide wires, and hip implants (2026-08-25),

8. 12713151 - IMAGING ELEMENT AND IMAGING DEVICE (2026-08-18),

9. 12709829 - HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING SAME (2026-08-18),

10. 12709776 - NOVEL MARKER OF EPITHELIAL-MESENCHYMAL TRANSITION IN PANCREATIC CANCER (2026-08-18),

11. 12709412 - SPACECRAFT-BORNE PROPULSION DEVICE WITH GAS HEATING AND GAS STORAGE (2026-08-18),

12. 12709053 - IMPRINT MOLD, METHOD FOR MANUFACTURING THE SAME AND METHOD FOR MANUFACTURING REPRODUCED IMPRINT MOLD (2026-08-18),

13. 12705760 - Analysis device, analysis method, analysis program, and generation device (2026-08-11),

14. 12703642 - Cubic crystal alkali metal manganate nanoparticle production method and cubic crystal LiMnO2 nanoparticles produced using same (2026-08-11),

15. 12693440 - Radiation detection device (2026-07-28),

Company Overview

Tohoku University, located in Sendai, Japan, is a prestigious institution renowned for its advanced research and development in various technological fields. The university specializes in plasma processing, which has applications in areas such as protein purification and ophthalmic processing. Additionally, Tohoku University is engaged in cutting-edge research on magnetic memory, vascular dementia, electrochemical detection, image processing, and combinatorial optimization, contributing significantly to both academic and practical advancements in these domains.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

1,052 Patents

#1 in Sendai

#220 in Japan

#972 in the World

Tohoku University

Forward Citations = 2,788

2,011 inventors:

Tetsuo Endoh (85 out of 109 patents)

Hideo Ohno (68 out of 79 patents)

Tadahiro Ohmi (52 out of 201 patents)

4. Shoji Ikeda (51 out of 58 patents)

5. Tadahiro Ohmi (44 out of 93 patents)

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