Inventor · disambiguated record
Motoo Kumagai
Also filed as: KUMAGAI MOTOO
15 granted patents·138 citations·filing 1985–1997
93Inventor score
Files withCANON KK15
Top patents by PatentIndex Score
15 records- 0189US4759965ACeramic, preparation thereof and electronic circuit substrate by use thereofCANON KK·Filed 1986·Granted Jul 26, 1988·46 cites·61 claims
- 0261US5980122ALight blocking apparatus for a cameraCANON KK·Filed 1997·Granted Nov 9, 1999·7 cites·10 claims
- 0361US4654750AFunctional substrate and electronic circuit substrate using the sameCANON KK·Filed 1985·Granted Mar 31, 1987·12 cites·16 claims
- 0454US4942079ACeramic and circuit substrate and electronic circuit substrate by use thereofCANON KK·Filed 1988·Granted Jul 17, 1990·15 cites·6 claims
- 0546US4952538ACeramic and circuit substrate and electronic circuit substrate by use thereofCANON KK·Filed 1988·Granted Aug 28, 1990·9 cites·6 claims
- 0641US5034260ACeramic and circuit substrate and electronic circuit substrate by use thereofCANON KK·Filed 1990·Granted Jul 23, 1991·8 cites·3 claims
- 0740US4943469ACeramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramicCANON KK·Filed 1988·Granted Jul 24, 1990·7 cites·6 claims
- 0839US5006957ASemiconductor porcelain substrate, dielectric porcelain substrate and capacitor employing the compositionCANON KK·Filed 1990·Granted Apr 9, 1991·7 cites·15 claims
- 0936US5571761ACeramic substrate circuit substrateCANON KK·Filed 1994·Granted Nov 5, 1996·7 cites·18 claims
- 1036US5102719ACeramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramicCANON KK·Filed 1990·Granted Apr 7, 1992·7 cites·5 claims
- 1136US4992399ACeramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramicCANON KK·Filed 1988·Granted Feb 12, 1991·4 cites·6 claims
- 1234US6002578ACeramic substrate, circuit substrate and electronic circuit substrate by use thereof and method for preparing ceramic substrateCANON KK·Filed 1996·Granted Dec 14, 1999·4 cites·55 claims
- 1332US4736230AComposition for semiconductor porcelain, and semiconductor porcelain and capacitor by use of sameCANON KK·Filed 1986·Granted Apr 5, 1988·3 cites·16 claims
- 1429US5077632ACeramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramicCANON KK·Filed 1990·Granted Dec 31, 1991·1 cites·6 claims
- 1529US5041327ACeramic and circuit substrate and electronic circuit substrate by use thereofCANON KK·Filed 1990·Granted Aug 20, 1991·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Motoo Kumagai 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 →