EPO Patents = 1

Trademarks = 3

Forward Citations = 3

Loading Chart...

5 inventors (with patents filed for the assignee):

Masanobu Saito (1 out of 1 patent)

Kunio Suetsuna (1 out of 1 patent)

Yukihiro Osumi (1 out of 1 patent)

4. Tadashi Sasazuka (1 out of 2 patents)

5. Kazuhito Moriya (1 out of 4 patents)

6. Hiroshi Hagino (4 patents)

7. Masanobu Saito (0 patent)

2 patents: Sort by Forward Citations

#4,372 in Tokyo

#11,139 in Japan

Shirako Co., Ltd.

Forward Citations = 3

5 inventors:

Masanobu Saito (1 out of 1 patent)

Kunio Suetsuna (1 out of 1 patent)

Yukihiro Osumi (1 out of 1 patent)

4. Tadashi Sasazuka (1 out of 2 patents)

5. Kazuhito Moriya (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shirako Co., Ltd.. Retrieved from https://idiyas.com/company/shirako-company

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]

1 patent (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]