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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#3,543 in Tokyo
#8,922 in Japan
Sony Co., Ltd.
Forward Citations = 14
8 inventors:
Sony Co., Ltd.
% Expired Patents = 33.3
EPO Patents = 1
Forward Citations = 14
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8 inventors (with patents filed for the assignee):
Masaru Hiratsuka (1 out of 18 patents)
Masanori Naritomi (1 out of 35 patents)
Sumio Iwase (1 out of 5 patents)
4. Shigeyoshi Hirashima (1 out of 31 patents)
5. Mitsuo Sakamoto (1 out of 17 patents)
6. Tadashi Yamamoto (1 out of 43 patents)
7. Osamu Majima (1 out of 13 patents)
8. Kenso Maehara (1 out of 13 patents)
9. Tatsuya Yamamoto (42 patents)
10. Atsushi Kuribayashi (6 patents)
11. Koji Ihara (13 patents)
12. Takeshi Tsukada (3 patents)
13. Hitomi Sahara (2 patents)
14. Yoshinori Watanabe (83 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sony Co., Ltd.. Retrieved from https://idiyas.com/company/sony-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]
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]