Inventor · disambiguated record
Hiroshi Kaiwa
Also filed as: KAIWA HIROSHI
2 granted patents·1 pending application·42 citations·filing 1989–2007
62Inventor score
Top patents by PatentIndex Score
3 records- 0190US4919518AMulti-screen projectorHITACHI LTD·Filed 1989·Granted Apr 24, 1990·36 cites·45 claims
- 0241US2007223772A1SpeakerPIONEER TOHOKU CORP·Filed 2007·Application pending·0 cites
- 0325US5349301AMultiple amplifier system for a carPIONEER ELECTRONIC CORP·Filed 1993·Granted Sep 20, 1994·6 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hiroshi Kaiwa 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 →