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For the Inventor, By the Inventor

Toyama, Japan

Toyama Prefecture

USPTO Granted Patents = 20

% Expired Patents = 35.0



Forward Citations = 99

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57 inventors (with patents filed for the assignee):

goldMedal Yasuhisa Asano (4 out of 21 patents)

silverMedal Katsumi Tanino (4 out of 5 patents)

bronzeMedal Hiroyuki Kishi (3 out of 6 patents)

4.  Atsushi Muraguchi (3 out of 6 patents)

5.  Satoshi Fujiki (3 out of 4 patents)

6.  Kazuyuki Yamashita (3 out of 3 patents)

7.  Takashi Onaga (3 out of 3 patents)

8.  Yoshiyuki Yokoyama (2 out of 3 patents)

9.  Aishun Jin (2 out of 2 patents)

10.  Tsutomu Obata (2 out of 3 patents)

11.  Mieko Omotani (2 out of 2 patents)

12.  Kiyokazu Himi (2 out of 2 patents)

13.  Hideki Yamagishi (2 out of 2 patents)

14.  Masahiro Oshima (1 out of 12 patents)

15.  Takahiro Kishioka (1 out of 65 patents)


20 patents:

1. 12715061 - Method for joining metal materials and controlling bonding quality thereof (2026-08-25),
2. 12226848 - Method for joining metal materials and controlling bonding quality thereof (2025-02-18),
3. 10544425 - Plant having increased resistance or susceptibility to 4-HPPD inhibitor (2020-01-28),
4. 10222697 - Photosensitive fiber and method for manufacturing same (2019-03-05),
5. 9977017 - Apparatus for screening cells (2018-05-22),
6. 9708639 - Method for quantifying amino acids with pyrophosphate (2017-07-18),
7. 9494575 - Cells screening method (2016-11-15),
8. 9286515 - Doze detection method and apparatus thereof (2016-03-15),
9. 9181574 - L-amino acid oxidase, method for measuring L-lysine, kit and enzyme sensor (2015-11-10),
10. 9090512 - Anisotropically shaped powder and method for producing the same (2015-07-28),
11. 9085780 - [object Object] (2015-07-21),
12. 8785147 - L-threonine analysis method and L-threonine dehydrogenase (2014-07-22),
13. 8741602 - [object Object] (2014-06-03),
14. 8664003 - Chip provided with film having hole pattern with the use of thermoresponsive polymer and method of producing the same (2014-03-04),
15. 8609009 - Method of producing a microproduct (2013-12-17),
Company Overview
Toyama Prefecture, located on the western coast of Japan, is renowned for its rich natural resources and advanced industries. The region specializes in sectors such as biotechnology, environmental technology, and advanced materials, fostering innovation through collaboration between academia and industry. Toyama is also known for its commitment to sustainable development, leveraging its unique geographical advantages to promote research in renewable energy and eco-friendly technologies, making it a pivotal area for 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

20 Patents

#10 in Toyama 939-0643

#2,945 in Japan

#31,295 in the World

Toyama, JP
Toyama, Japan

Toyama Prefecture

Forward Citations = 99

57 inventors:

goldMedal Yasuhisa Asano (4 out of 21 patents)

silverMedal Katsumi Tanino (4 out of 5 patents)

bronzeMedal Hiroyuki Kishi (3 out of 6 patents)

4.  Atsushi Muraguchi (3 out of 6 patents)

5.  Satoshi Fujiki (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyama Prefecture. Retrieved from https://idiyas.com/company/toyama-prefecture

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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