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For the Inventor, By the Inventor

Tokyo, Japan

Organ Technologies, Inc.


USPTO Granted Patents = 12

% Expired Patents = 75.0



Forward Citations = 4

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10 inventors (with patents filed for the assignee):

goldMedal Takashi Tsuji (12 out of 52 patents)

silverMedal Kazuhisa Nakao (4 out of 6 patents)

bronzeMedal Koh-ei Toyoshima (3 out of 4 patents)

4.  Masamitsu Oshima (2 out of 2 patents)

5.  Takashi Saotome (1 out of 10 patents)

6.  Kazuto Miyazaki (1 out of 8 patents)

7.  Ritsuko Morita (1 out of 1 patent)

8.  Nobuo Sakuragawa (1 out of 1 patent)

9.  Koh-Ei Toyoshima (1 out of 1 patent)

10.  Yutaka Mori (1 out of 1 patent)

11.  Kyosuke Kishimoto (1 patent)

12.  Miho Ogawa (0 patent)

13.  Yutaka Mori (0 patent)

14.  Kyosuke Asakawa (0 patent)

15.  Makoto Takeo (0 patent)


12 patents:

1. 12440605 - Method for producing regenerated hair follicle primordium (2025-10-14),
2. 11209348 - Hair observation method, phase contrast microscope system, and preparation (2021-12-28),
3. 10022205 - Dental implant and method for producing same (2018-07-17),
4. 9982238 - Method for producing regenerative organ primordium provided with guide for transplantation, composition containing regenerative organ primordium provided with guide for transplantation produced thereby, and method for transplanting regenerative organ primordium provided with guide for transplantation (2018-05-29),
5. 9877474 - Method for maintaining organ or tissue for transplantation use for long period (2018-01-30),
6. 9321998 - Method of preparing regenerated hair follicle germ for transplantation in which hair color is controlled, composition including regenerated hair follicle germ for transplantation, and method of transplanting regenerated hair follicle germ (2016-04-26),
7. 8927284 - Method for producing tooth (2015-01-06),
8. 8771931 - Perfusion culture method and perfusion culture device for organ or tissue (2014-07-08),
9. 8679755 - Method of producing tooth, set of teeth, and method of producing tissue (2014-03-25),
10. 8574904 - Method for production of mesenchymal cell, method for production of tooth, and mesenchymal cell for formation of tooth (2013-11-05),
11. 8361709 - Method of producing tooth, set of teeth, and method of producing tissue (2013-01-29),
12. 8349608 - Method for production of tooth, and tooth produced by the method (2013-01-08),
Company Overview
Organ Technologies, Inc. is a Tokyo-based company specializing in advanced medical technologies and organ preservation solutions. The organization focuses on developing innovative products and systems that enhance organ transplantation processes, aiming to improve patient outcomes and expand the availability of donor organs. With a commitment to research and development, Organ Technologies is at the forefront of creating cutting-edge solutions that address critical challenges in the medical field, particularly in organ health and preservation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#1,729 in Tokyo

#3,934 in Japan

#48,129 in the World

Tokyo, JP
Tokyo, Japan

Organ Technologies, Inc.

Forward Citations = 4

10 inventors:

goldMedal Takashi Tsuji (12 out of 52 patents)

silverMedal Kazuhisa Nakao (4 out of 6 patents)

bronzeMedal Koh-ei Toyoshima (3 out of 4 patents)

4.  Masamitsu Oshima (2 out of 2 patents)

5.  Takashi Saotome (1 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Organ Technologies, Inc.. Retrieved from https://idiyas.com/company/organ-technologies

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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