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For the Inventor, By the Inventor

Matsue, Japan

Shimane Prefectural Government

Calculating rank
USPTO Granted Patents = 19

% Expired Patents = 73.7



Forward Citations = 130

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18 inventors (with patents filed for the assignee):

goldMedal Kenji Izumi (11 out of 11 patents)

silverMedal Naoto Imawaka (3 out of 4 patents)

bronzeMedal Satoshi Komatsubara (2 out of 2 patents)

4.  Kenichi Fukuda (2 out of 2 patents)

5.  Shinobu Otao (2 out of 2 patents)

6.  Toru Furuta (2 out of 2 patents)

7.  Kazuhiko Matsubayashi (2 out of 3 patents)

8.  Toshiyuki Ueno (2 out of 2 patents)

9.  Shuji Noda (2 out of 2 patents)

10.  Yuji Shinomura (1 out of 1 patent)

11.  Naoki Fujihara (1 out of 1 patent)

12.  Takashi Yoshioka (1 out of 1 patent)

13.  Ke-Jian Jiang (1 out of 1 patent)

14.  Shozo Yanagida (1 out of 1 patent)

15.  Takanobu Shiomura (1 out of 1 patent)


19 patents:

1. 9662980 - Gesture input apparatus for car navigation system (2017-05-30),
2. 9535512 - Image recognition apparatus, operation determining method and computer-readable medium (2017-01-03),
3. 9484515 - Semiconductor light emitting module comprising an exposed plate surface (2016-11-01),
4. 9329691 - Operation input apparatus and method using distinct determination and control areas (2016-05-03),
5. 9183992 - Dye-sensitized solar cell and method for preventing elution of catalyst from catalyst electrode (2015-11-10),
6. 9022613 - Semiconductor light emitting device comprising cut-and-bent portions (2015-05-05),
7. 8993880 - Dye-sensitized solar cell and method for preventing elution of catalyst from catalyst electrode (2015-03-31),
8. 8963828 - Information inputting device, information outputting device and method (2015-02-24),
9. 8890809 - Image recognition apparatus, operation determining method and computer-readable medium (2014-11-18),
10. 8605990 - Image recognition device and image recognition method (2013-12-10),
11. 8501048 - Metal-graphite composite material having high thermal conductivity and production method therefor (2013-08-06),
12. 8456416 - Image recognition apparatus, and operation determination method and program therefor (2013-06-04),
13. 8206815 - Metal-based composite material containing both micron-size carbon fiber and nano-size carbon fiber (2012-06-26),
14. 8106198 - Photosensitizer dye (2012-01-31),
15. 7763223 - Method for manufacturing porous silica crystal (2010-07-27),
Company Overview
The Shimane Prefectural Government, located in Matsue, Japan, is dedicated to the development and administration of policies that enhance the welfare and prosperity of its residents. It focuses on various sectors including tourism, agriculture, and environmental conservation, aiming to promote sustainable development within the region. The government also emphasizes innovation in local industries and supports initiatives that foster economic growth and community engagement, ensuring a vibrant future for Shimane Prefecture.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

19 Patents

#2 in Matsue

#3,041 in Japan

#32,705 in the World

Matsue, JP
Matsue, Japan

Shimane Prefectural Government

Forward Citations = 130

18 inventors:

goldMedal Kenji Izumi (11 out of 11 patents)

silverMedal Naoto Imawaka (3 out of 4 patents)

bronzeMedal Satoshi Komatsubara (2 out of 2 patents)

4.  Kenichi Fukuda (2 out of 2 patents)

5.  Shinobu Otao (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shimane Prefectural Government. Retrieved from https://idiyas.com/company/shimane-prefectural-government

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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