Inventor · disambiguated record
Hideaki Morikawa
Also filed as: MORIKAWA HIDEAKI
5 granted patents·107 citations·filing 1989–2008
81Inventor score
Top patents by PatentIndex Score
5 records- 0182US7628145B2Control method of compression self ignition internal combustion engineHONDA MOTOR CO LTD·Filed 2007·Granted Dec 8, 2009·15 cites·3 claims
- 0265US4991687ASpeaker system having directivityPIONEER ELECTRONIC CORP·Filed 1989·Granted Feb 12, 1991·44 cites·2 claims
- 0350US5117463ASpeaker system having directivityPIONEER ELECTRONIC CORP·Filed 1989·Granted May 26, 1992·26 cites·13 claims
- 0445US8186335B2Load control mechanism for internal combustion engineISHIBASHI YOICHI·Filed 2008·Granted May 29, 2012·1 cites·20 claims
- 0542US5115883ALoudspeakerPIONEER ELECTRONIC CORP·Filed 1990·Granted May 26, 1992·21 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hideaki Morikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →