Tochigi Prefectural Office

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Shinichi Fukuzono (2 out of 18 patents)

Koshi Maeda (2 out of 4 patents)

Kokichi Sugano (2 out of 2 patents)

4. Takayuki Kanda (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7592137 - Genetic testing kits and a method of bladder cancer (2009-09-22),

2. 7585628 - Method and apparatus for analyzing nucleic acid amplification (2009-09-08),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#36 in Tochigi

#11,139 in Japan

Tochigi, Japan

Tochigi Prefectural Office

Forward Citations = 0

4 inventors:

Shinichi Fukuzono (2 out of 18 patents)

Koshi Maeda (2 out of 4 patents)

Kokichi Sugano (2 out of 2 patents)

4. Takayuki Kanda (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tochigi Prefectural Office. Retrieved from https://idiyas.com/company/tochigi-prefectural-office

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]

2 patents (EPO):

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]