% Expired Patents = 100.0

Forward Citations = 4

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7 inventors (with patents filed for the assignee):

Tadashi Shibata (1 out of 68 patents)

Koji Kotani (1 out of 26 patents)

Takahisa Nitta (1 out of 35 patents)

4. Toshiyuki Nozawa (1 out of 3 patents)

5. Makoto Imai (1 out of 3 patents)

6. Masanori Fujibayashi (1 out of 2 patents)

7. Tadahiro Ohmi (1 out of 182 patents)

1 patent: Sort by Forward Citations

#6,094 in Tokyo

#15,745 in Japan

I & F, Inc.

Forward Citations = 4

7 inventors:

Tadashi Shibata (1 out of 68 patents)

Koji Kotani (1 out of 26 patents)

Takahisa Nitta (1 out of 35 patents)

4. Toshiyuki Nozawa (1 out of 3 patents)

5. Makoto Imai (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: I & F, Inc.. Retrieved from https://idiyas.com/company/i-and-f

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]