Inventor · disambiguated record
Seiichi Yamaguchi
Also filed as: YAMAGUCHI SEIICHI
13 granted patents·2 pending applications·357 citations·filing 1977–2018
93Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD7FUJITSU LTD2YAMAHA CORP2EVONIK DEGUSSA GMBH1HINO MOTORS LTD1
Top patents by PatentIndex Score
15 records- 0184US6175746B1Multiband mobile unit communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 16, 2001·86 cites·9 claims
- 0284US5966666AMultiple-band mobile transceiver having a smaller number of local oscillatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Oct 12, 1999·84 cites·5 claims
- 0378US5852784AMultiband mobile unit communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 22, 1998·57 cites·12 claims
- 0478US4119516AContinuous electroplating apparatusKOITO MFG CO LTD·Filed 1977·Granted Oct 10, 1978·36 cites·7 claims
- 0570US10569173B2Non-transitory storage medium having stored therein information processing program, information processing system, information processing apparatus, and information processing methodNINTENDO CO LTD·Filed 2018·Granted Feb 25, 2020·2 cites·27 claims
- 0664US7346544B2Method for selling items using a networkYAMAHA CORP·Filed 2001·Granted Mar 18, 2008·2 cites·7 claims
- 0756US6094564AMobile communication apparatus operable in different formats and pairing I-F band pass filter type with I-F amplifier characteristicsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 25, 2000·22 cites·6 claims
- 0855US6006080AReceiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bandsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 21, 1999·23 cites·25 claims
- 0954US2007265939A1Method for selling items using a networkYAMAHA CORP·Filed 2007·Application pending·0 cites
- 1052US7463578B2Transmission parameter control deviceFUJITSU LTD·Filed 2003·Granted Dec 9, 2008·6 cites·12 claims
- 1151US5768321AAutomatic frequency control unit which detects a frame pattern in a phase modulation signalFUJITSU LTD·Filed 1996·Granted Jun 16, 1998·16 cites·20 claims
- 1249US7389838B2Hybrid powered vehicleHINO MOTORS LTD·Filed 2004·Granted Jun 24, 2008·6 cites·1 claims
- 1346US6032032AMobile radio communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 29, 2000·15 cites·4 claims
- 1444US2019170376A1Gas humidity regulating method and regulatorEVONIK DEGUSSA GMBH·Filed 2017·Application pending·0 cites
- 1543US6956432B2Transmission output correcting apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 18, 2005·2 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Seiichi Yamaguchi 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 →