Inventor · disambiguated record
Koichi Sugahara
Also filed as: SUGAHARA KOICHI
10 granted patents·190 citations·filing 1979–1998
90Inventor score
Top patents by PatentIndex Score
10 records- 0185US4275332AIn-line electron gunMATSUSHITA ELECTRONICS CORP·Filed 1979·Granted Jun 23, 1981·24 cites·9 claims
- 0283US5061881AIn-line electron gunMATSUSHITA ELECTRONICS CORP·Filed 1990·Granted Oct 29, 1991·47 cites·4 claims
- 0382US4701677AColor cathode ray tube apparatusMATSUSHITA ELECTRONICS CORP·Filed 1985·Granted Oct 20, 1987·30 cites·10 claims
- 0477US5745218APhotographic processing systemFUJI PHOTO FILM CO LTD·Filed 1996·Granted Apr 28, 1998·15 cites·29 claims
- 0576US5142189AIn-line type electron gun for a color cathode ray tubeMATSUSHITA ELECTRONICS CORP·Filed 1990·Granted Aug 25, 1992·32 cites·2 claims
- 0664US6313923B1Image processing apparatusFUJI PHOTO FILM CO LTD·Filed 1998·Granted Nov 6, 2001·31 cites·25 claims
- 0742US5822040AImage testing methodFUJI PHOTO FILM CO LTD·Filed 1996·Granted Oct 13, 1998·2 cites·20 claims
- 0837US4612474AIn-line type electron gunMATSUSHITA ELECTRONICS CORP·Filed 1983·Granted Sep 16, 1986·3 cites·8 claims
- 0933US5157301AColor cathode ray tube unitMATSUSHITA ELECTRONICS CORP·Filed 1990·Granted Oct 20, 1992·4 cites·2 claims
- 1026US5233267ADynamic convergence system for color cathode ray tubes having an in line electron gunMATSUSHITA ELECTRONICS CORP·Filed 1992·Granted Aug 3, 1993·2 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Sugahara 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 →