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For the Inventor, By the Inventor

Nagano, Japan

Sun Medical Technology Research Corporation


USPTO Granted Patents = 27

% Expired Patents = 33.3


Forward Citations = 933

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32 inventors (with patents filed for the assignee):

goldMedal Kenji Yamazaki (12 out of 57 patents)

silverMedal Takayuki Miyakoshi (9 out of 9 patents)

bronzeMedal Hideki Kanebako (7 out of 20 patents)

4.  Tomoya Kitano (5 out of 6 patents)

5.  Toshio Mori (4 out of 9 patents)

6.  Shinji Kobayashi (3 out of 3 patents)

7.  Naofumi Miyajima (2 out of 2 patents)

8.  Nozomi Koike (2 out of 2 patents)

9.  Kazuto Shinohara (2 out of 10 patents)

10.  Daisuke Ogawa (2 out of 2 patents)

11.  Keiichiro Kaneshima (2 out of 2 patents)

12.  Koshi Adachi (1 out of 6 patents)

13.  Daisuke Suzuki (1 out of 10 patents)

14.  Koji Higuchi (1 out of 16 patents)

15.  Seitarou Onuma (1 out of 1 patent)


Core Competencies:
Blood Pump
Ventricular Assist Device
Artificial Heart System
Flow Rate Estimation
Mechanical Seal
Portable Drive System
Aortic Valve Repair
Auxiliary Heart Pump
Conduit Forming Unit
Purge Solution Circulating
Sealing System
Artificial Blood Vessel

27 patents:

1. 12102816 - Conduit forming unit and tube joint (2024-10-01),
2. 11529509 - Blood pump controller and ventricular assist system (2022-12-20),
3. 11065435 - Blood pump and blood pump adjusting method (2021-07-20),
4. 10828159 - Method of repairing aortic valve (2020-11-10),
5. 10792405 - Ventricular assist system and blood pump controller (2020-10-06),
6. 10298002 - Auxiliary artificial heart system (2019-05-21),
7. 10010661 - Slide device, mechanical seal, pump and auxiliary artificial heart system (2018-07-03),
8. 9821099 - Artificial-blood-vessel connector and artificial-blood-vessel unit (2017-11-21),
9. 9490662 - Power supply switching circuit and artificial heart system (2016-11-08),
10. 9440012 - Ventricular assist blood pump (2016-09-13),
11. 9387278 - Medical device or instrument having porous structure (2016-07-12),
12. 9125977 - Artificial heart control device, artificial heart system and artificial heart control method (2015-09-08),
13. 9089633 - Artificial heart device (2015-07-28),
14. 8727960 - Auxiliary artificial heart pump drive device and auxiliary artificial heart system (2014-05-20),
15. 8568288 - Slide device, mechanical seal, rotary device, pump and auxiliary artificial heart system (2013-10-29),
Company Overview
Sun Medical Technology Research Corporation, based in Nagano, Japan, specializes in the development and manufacturing of innovative medical devices and technologies. The company focuses on enhancing healthcare solutions through advanced research in areas such as dental and orthopedic applications. With a commitment to improving patient outcomes, Sun Medical integrates cutting-edge technology into its products, ensuring they meet the evolving needs of healthcare professionals and patients alike.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#40 in Nagano

#2,459 in Japan

#24,034 in the World

Nagano, JP
Nagano, Japan

Sun Medical Technology Research Corporation

Forward Citations = 933

32 inventors:

goldMedal Kenji Yamazaki (12 out of 57 patents)

silverMedal Takayuki Miyakoshi (9 out of 9 patents)

bronzeMedal Hideki Kanebako (7 out of 20 patents)

4.  Tomoya Kitano (5 out of 6 patents)

5.  Toshio Mori (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sun Medical Technology Research Corporation. Retrieved from https://idiyas.com/company/sun-medical-technology-research

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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