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USPTO Data Jan 1 1976 - Oct 20 2026
4 Patents
#3,058 in Tokyo
#7,588 in Japan
Japan Broadcasting Corporation
Forward Citations = 29
15 inventors:
Japan Broadcasting Corporation
% Expired Patents = 25.0
Forward Citations = 29
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15 inventors (with patents filed for the assignee):
Atsuro Ichigaya (1 out of 72 patents)
Osamu Ozawa (1 out of 51 patents)
Arihiro Saita (1 out of 10 patents)
4. Takahiro Hamada (1 out of 18 patents)
5. Naruo Takizawa (1 out of 2 patents)
6. Yuichi Sawahata (1 out of 1 patent)
7. Kenichiro Masaoka (1 out of 1 patent)
8. Yukihiro Nishida (1 out of 7 patents)
9. Hiroyuki Konno (1 out of 15 patents)
10. Eisuke Nakasu (1 out of 2 patents)
11. Koji Sasazawa (1 out of 16 patents)
12. Hotaka Minaguchi (1 out of 3 patents)
13. Hiromichi Shibaya (1 out of 1 patent)
14. Tatsuji Kitamoto (1 out of 76 patents)
15. Mitsuo Mino (1 out of 1 patent)
4 patents:
Company Overview
Japan Broadcasting Corporation (NHK) is Japan's public broadcaster, providing a wide range of programming in both domestic and international markets. NHK operates radio, television, and online services, offering news, entertainment, educational, and cultural content to viewers around the world.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Broadcasting Corporation. Retrieved from https://idiyas.com/company/japan-broadcasting
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]
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]