Inventor · disambiguated record
Ken Koizumi
Also filed as: KOIZUMI KEN · KOIZUMI KEN-ICHI
5 granted patents·97 citations·filing 1971–1983
81Inventor score
Top patents by PatentIndex Score
5 records- 0181US3941474ALight-conducting glass structuresNIPPON SELFOC CO LTD·Filed 1971·Granted Mar 2, 1976·44 cites·11 claims
- 0276US4145200AProduction of optical glass fibersNIPPON SHEET GLASS CO LTD·Filed 1978·Granted Mar 20, 1979·29 cites·16 claims
- 0360US4128997AI.C.E. equipped with means for maintaining reactor temperature about a single temperatureNISSAN MOTOR·Filed 1976·Granted Dec 12, 1978·11 cites·13 claims
- 0454US4134375AMethod of and system for controlling fuel/air ratio in an internal combustion engineNISSAN MOTOR·Filed 1977·Granted Jan 16, 1979·9 cites·9 claims
- 0548USD281078SHolder for printing head frameCITIZEN WATCH CO LTD·Filed 1983·Granted Oct 22, 1985·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →