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USPTO Data Jan 1 1976 - Oct 6 2026
4 Patents
#3,053 in Tokyo
#7,573 in Japan
Sound Fun Corporation
Forward Citations = 2
8 inventors:
Sound Fun Corporation
CIPO Patents = 1
EPO Patents = 1
Trademarks = 3
Forward Citations = 2
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8 inventors (with patents filed for the assignee):
Hiroshi Tanaka (2 out of 181 patents)
Kazunori Sato (2 out of 25 patents)
Nobuhiro Miyahara (2 out of 3 patents)
4. Masahiro Suzuki (2 out of 73 patents)
5. Kentaro Matsuoka (1 out of 1 patent)
6. Yoshio Sakamoto (1 out of 1 patent)
7. Yuichiro Tani (1 out of 1 patent)
8. Yu Matsuda (1 out of 1 patent)
9. Hiroshi Tanaka (0 patent)
10. Masahiro Suzuki (0 patent)
11. Tanaka Hiroshi (0 patent)
12. Suzuki Masahiro (0 patent)
4 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sound Fun Corporation. Retrieved from https://idiyas.com/company/sound-fun
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 (CIPO):
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]