Assignee
TOKYO KOSO KK
3 granted patents·115 citations·filing 1979–1980
Top patents by PatentIndex Score
3 records- 0183US4272054AFire-safe sealing device for valveTOKYO KOSO KK·Filed 1980·Granted Jun 9, 1981·47 cites·1 claims
- 0282US4258901AValve sealing deviceTOKYO KOSO KK·Filed 1979·Granted Mar 31, 1981·48 cites·5 claims
- 0357US4277047AMetallic sealing device for valveTOKYO KOSO KK·Filed 1980·Granted Jul 7, 1981·20 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →