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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#186 in Yokohama
#11,147 in Japan
Spchange, LLC.
Forward Citations = 0
10 inventors:
Spchange, LLC.
Calculating rank
EPO Patents = 2
Forward Citations = 0
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10 inventors (with patents filed for the assignee):
Takatsugu Kamata (2 out of 4 patents)
Ryoma Yoshioka (1 out of 19 patents)
Takafumi Suzuki (1 out of 46 patents)
4. Kaoru Imajo (1 out of 8 patents)
5. Masayuki Hirata (1 out of 8 patents)
6. Seiji Kameda (1 out of 3 patents)
7. Hiroshi Ando (1 out of 30 patents)
8. Katsuyoshi Suzuki (1 out of 91 patents)
9. Masayuki Ueda (1 out of 1 patent)
10. Yusaku Hirai (1 out of 1 patent)
11. Masayuki Ueda (0 patent)
12. Yusaku Hirai (0 patent)
13. Seiji Kameda (0 patent)
14. Takatsugu Kamata (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spchange, LLC.. Retrieved from https://idiyas.com/company/spchange
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]