Inventor · disambiguated record
Keiichi Otani
Also filed as: OTANI KEIICHI
4 granted patents·111 citations·filing 1989–1999
79Inventor score
Top patents by PatentIndex Score
4 records- 0175US5164163AHydrocarbon reforming apparatusKOBE STEEL LTD·Filed 1989·Granted Nov 17, 1992·27 cites·14 claims
- 0261US6351469B1Sound/data sharing communications systemFUJITSU LTD·Filed 1998·Granted Feb 26, 2002·27 cites·54 claims
- 0359US6449250B1Method for switching central device and a cable modem system using the sameFUJITSU LTD·Filed 1998·Granted Sep 10, 2002·47 cites·19 claims
- 0436US6813238B1Cable modem and cable modem systemFUJITSU LTD·Filed 1999·Granted Nov 2, 2004·10 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Keiichi Otani 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 →