Assignee
HIDAKA ENGINEERING CO LTD
JP·3 granted patents·59 citations·filing 1975–1998
Top patents by PatentIndex Score
3 records- 0178US4055067AMethod and a punch/die assembly for the production of heat exchanger finsHIDAKA ENGINEERING CO LTD·Filed 1975·Granted Oct 25, 1977·25 cites·4 claims
- 0267US5937815AAir intake system for internal combustion engineHIDAKA ENGINEERING CO LTD·Filed 1998·Granted Aug 17, 1999·19 cites·6 claims
- 0364US4109501AMethod for the production of heat exchanger finsHIDAKA ENGINEERING CO LTD·Filed 1977·Granted Aug 29, 1978·15 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →