Tokyo Fm Broadcasting Co., Ltd.

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USPTO Granted Patents = 2

Forward Citations = 4

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6 inventors (with patents filed for the assignee):

Naruhiko Nihira (2 out of 2 patents)

Hiroshi Okano (1 out of 53 patents)

Takao Kanke (1 out of 4 patents)

4. Yoichiro Tajima (1 out of 8 patents)

5. Masaharu Kizaki (1 out of 4 patents)

6. Yasuichi Kaku (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6052388 - Information transmission/reception system (2000-04-18),

2. 6049873 - Scrambled information transmitting and receiving method (2000-04-11),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#4,375 in Tokyo

#11,147 in Japan

Tokyo, Japan

Tokyo Fm Broadcasting Co., Ltd.

Forward Citations = 4

6 inventors:

Naruhiko Nihira (2 out of 2 patents)

Hiroshi Okano (1 out of 53 patents)

Takao Kanke (1 out of 4 patents)

4. Yoichiro Tajima (1 out of 8 patents)

5. Masaharu Kizaki (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tokyo Fm Broadcasting Co., Ltd.. Retrieved from https://idiyas.com/company/tokyo-fm-broadcasting-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]