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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#1,147 in Osaka
#11,139 in Japan
Big Daishowa Seiki Co., Ltd
Forward Citations = 0
15 inventors:
Big Daishowa Seiki Co., Ltd
Calculating rank
EPO Patents = 2
Forward Citations = 0
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15 inventors (with patents filed for the assignee):
Masayuki Doi (1 out of 6 patents)
Hirochika Fukuda (1 out of 3 patents)
Tatsuya Ogata (1 out of 1 patent)
4. Manabu Tsujino (1 out of 1 patent)
5. Masanori Kakui (1 out of 1 patent)
6. Takuya Nishimura (1 out of 1 patent)
7. Kouichi Uemura (4 patents)
8. Reina Oohashi (4 patents)
9. Shunsuke Kumasaki (4 patents)
10. Akihito Funashoku (4 patents)
11. Yukio Tsujita (3 patents)
12. Masataka Yauchi (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Big Daishowa Seiki Co., Ltd. Retrieved from https://idiyas.com/company/big-daishowa-seiki
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]
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]