Inventor · disambiguated record
Hiroomi Katayama
Also filed as: KATAYAMA HIROOMI
4 granted patents·69 citations·filing 1982–1982
78Inventor score
Technology areasF02P
Files withNEW NIPPON ELECTRIC CO4
Top patents by PatentIndex Score
4 records- 0183US4457286AEngine ignition systemNEW NIPPON ELECTRIC CO·Filed 1982·Granted Jul 3, 1984·24 cites·10 claims
- 0274US4494518AEngine ignition interpolation apparatusNEW NIPPON ELECTRIC CO·Filed 1982·Granted Jan 22, 1985·17 cites·12 claims
- 0369US4499875AControl unit modifiable engine ignition control apparatusNEW NIPPON ELECTRIC CO·Filed 1982·Granted Feb 19, 1985·15 cites·10 claims
- 0466US4502441AInput/output unit modifiable engine ignition control apparatusNEW NIPPON ELECTRIC CO·Filed 1982·Granted Mar 5, 1985·13 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →