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For the Inventor, By the Inventor

Nagano, Japan

Hokuto Corporation

USPTO Granted Patents = 16


Trademarks = 1

Forward Citations = 6

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31 inventors (with patents filed for the assignee):

goldMedal Kenji Ouchi (4 out of 4 patents)

silverMedal Satoshi Inatomi (3 out of 4 patents)

bronzeMedal Ayumi Nakagoshi (3 out of 3 patents)

4.  Masayuki Mizuno (2 out of 3 patents)

5.  Satosi Inatomi (2 out of 2 patents)

6.  Katsuji Yamanaka (2 out of 2 patents)

7.  Kenji Namba (2 out of 3 patents)

8.  Megumi Takano (2 out of 2 patents)

9.  Genki Sakuta (2 out of 2 patents)

10.  Eriko Kurashima (2 out of 2 patents)

11.  Keisuke Matsushiro (1 out of 1 patent)

12.  Shintaro Nakagoshi (1 out of 1 patent)

13.  Yohei Ohtoshi (1 out of 1 patent)

14.  So Sakuraba (1 out of 1 patent)

15.  Satoshi Natomi (1 out of 1 patent)


16 patents:

1. PP35511 - Bunashimeji mushroom named 'HKHM25' (2023-11-28),
2. 11406070 - Cap assembly for mushroom cultivation bottle (2022-08-09),
3. 11383337 - Workpiece support system and workpiece support method (2022-07-12),
4. PP33127 - Maitake mushroom named 'Grifon-8go' (2021-06-02),
5. PP32842 - Shiitake mushroom named 'HOKSY 10gokin' (2021-02-24),
6. PP31279 - Bunashimeji mushroom named 'Marmo22go' (2019-12-25),
7. 10383902 - Agent for promoting growth of nonpathogenic oral indigenous bacteria or agent for improving oral bacterial flora, and composition for oral use (2019-08-20),
8. 10131869 - [object Object] (2018-11-20),
9. PP29740 - Shiitake mushroom plant named 'HOKSY 8' (2018-10-10),
10. PP26049 - Bunashimeji mushroom plant named 'marmo shiro-2' (2015-11-04),
11. PP25856 - Maitake mushroom named 'Grifon-7' (2015-09-02),
12. PP23210 - Mushroom named 'PLE-3' (2012-11-20),
13. PP21575 - Mushroom plant named 'Grifon 120' (2010-12-14),
14. PP17984 - Mushroom named 'Hokuto NT-100' (2007-09-04),
15. 5372616 - Bin for mushroom culture (1994-12-13),
Company Overview
Hokuto Corporation, based in Nagano, Japan, specializes in the development and manufacturing of advanced industrial machinery and equipment. The company focuses on innovative solutions in sectors such as precision engineering and automation technologies. With a commitment to enhancing productivity and efficiency, Hokuto integrates cutting-edge research into its product offerings, catering to a diverse range of industries. Their expertise in engineering and technology positions them as a key player in the global market, driving advancements in manufacturing processes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#50 in Nagano

#3,343 in Japan

#37,868 in the World

Nagano, JP
Nagano, Japan

Hokuto Corporation

Forward Citations = 6

31 inventors:

goldMedal Kenji Ouchi (4 out of 4 patents)

silverMedal Satoshi Inatomi (3 out of 4 patents)

bronzeMedal Ayumi Nakagoshi (3 out of 3 patents)

4.  Masayuki Mizuno (2 out of 3 patents)

5.  Satosi Inatomi (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokuto Corporation. Retrieved from https://idiyas.com/company/hokuto

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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