Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Toru Ishii (2 out of 10 patents)

Minoru Yamamoto (2 out of 2 patents)

Kosei Fujita (2 out of 2 patents)

4. Daisuke Homma (2 out of 2 patents)

5. Akihiro Nara (1 out of 3 patents)

6. Takao Koyama (1 out of 2 patents)

7. Hideyuki Yamada (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 12730027 - Chamber and leak tester (2026-09-08),

2. 12674779 - Ultrasonic inspection of joined portions of packaging containers (2026-07-07),

3. 12618741 - Chamber, lid, and leak tester (2026-05-05),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#32 in Hamamatsu

#8,932 in Japan

Hamamatsu, Japan

Yamaha Fine Technologies Co., Ltd.

Forward Citations = 0

7 inventors:

Toru Ishii (2 out of 10 patents)

Minoru Yamamoto (2 out of 2 patents)

Kosei Fujita (2 out of 2 patents)

4. Daisuke Homma (2 out of 2 patents)

5. Akihiro Nara (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamaha Fine Technologies Co., Ltd.. Retrieved from https://idiyas.com/company/yamaha-fine-technologies

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]