Forward Citations = 16

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23 inventors (with patents filed for the assignee):

Toshio Kijima (2 out of 2 patents)

Tatsuro Nakanishi (2 out of 2 patents)

Risa Tsurumi (2 out of 2 patents)

4. Takashi Ohashi (2 out of 2 patents)

5. Sadao Yonai (1 out of 1 patent)

6. Masayuki Amagai (1 out of 1 patent)

7. Kazuo Oohashi (1 out of 1 patent)

8. Tsutomu Arie (1 out of 1 patent)

9. Shigetoh Namba (1 out of 1 patent)

10. Shuiichi Yamashita (1 out of 1 patent)

11. Yoji Doi (1 out of 5 patents)

12. Tokuya Tezuka (1 out of 1 patent)

13. Yoshiyuki Ishihara (1 out of 1 patent)

14. Yasuhiro Kobayashi (1 out of 1 patent)

15. Takashi Shigeno (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. PP33331 - L. plant named 'Tochigi iW1 Go' (2021-08-11),

2. PP32077 - plant named 'Tochigi i37 Go' (2020-08-19),

3. 5401655 - Process for biologically preventing dicotyledonous plant diseases using (1995-03-28),

4. 4880745 - Pseudomonas gladioli and a process for biologically controlling fusarium (1989-11-14),

Company Overview

Tochigi Prefecture is located in the Kanto region of Japan. Known for its breathtaking natural landscapes and historic sites, Tochigi is a popular destination for travelers seeking a mix of tradition and modernity. The prefecture's economy is driven by industries such as automotive manufacturing, agriculture, and tourism. With a rich cultural heritage and a strong focus on innovation, Tochigi offers a dynamic and vibrant environment for businesses and residents alike.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#24 in Tochigi

#7,588 in Japan

Tochigi, Japan

Tochigi Prefecture

Forward Citations = 16

23 inventors:

Toshio Kijima (2 out of 2 patents)

Tatsuro Nakanishi (2 out of 2 patents)

Risa Tsurumi (2 out of 2 patents)

4. Takashi Ohashi (2 out of 2 patents)

5. Sadao Yonai (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tochigi Prefecture. Retrieved from https://idiyas.com/company/tochigi-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]