Assignee
KASHIWARA RYOHEI
JP·5 granted patents·112 citations·filing 1988–1992
Top patents by PatentIndex Score
5 records- 0181US4901688AIgnition plug for use in internal combustion engines and an ignition process by the use thereofKASHIWARA RYOHEI·Filed 1989·Granted Feb 20, 1990·33 cites·9 claims
- 0280US5007389AIgnition plug for internal combustion engines and a process for igniting gas mixture by the use thereofKASHIWARA RYOHEI·Filed 1988·Granted Apr 16, 1991·42 cites·19 claims
- 0370US4983877AIgnition plug for use in internal combustion engines to cause instantaneous combustionKASHIWARA RYOHEI·Filed 1989·Granted Jan 8, 1991·28 cites·14 claims
- 0437USD344062SAuxiliary element for ignition plugs for internal combustion engines for automobilesKASHIWARA RYOHEI·Filed 1992·Granted Feb 8, 1994·3 cites·1 claims
- 0534US5090373AAuxiliary device attachable to a convention spark plugKASHIWARA RYOHEI·Filed 1991·Granted Feb 25, 1992·6 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →