Inventor · disambiguated record
Katsuhisa Yamamoto
Also filed as: YAMAMOTO KATSUHISA
9 granted patents·395 citations·filing 1989–2010
89Inventor score
Top patents by PatentIndex Score
9 records- 0196US6297945B1Portable electronic terminal apparatus having a plurality of displaysRICOH KK·Filed 2000·Granted Oct 2, 2001·233 cites·12 claims
- 0292US5679013AElectrical connector and an electronic apparatus using the electrical connectorIBM·Filed 1995·Granted Oct 21, 1997·105 cites·26 claims
- 0377USRE40204EPortable electronic terminal apparatus having a plurality of displaysRICOH KK·Filed 2003·Granted Apr 1, 2008·18 cites·54 claims
- 0472US4950328AEnd mill formed of tungsten carbide-base sintered hard alloyMITSUBISHI METAL CORP·Filed 1989·Granted Aug 21, 1990·22 cites·3 claims
- 0565US6791534B2Trackball unitsFURUNO ELECTRIC CO·Filed 2002·Granted Sep 14, 2004·12 cites·4 claims
- 0656US8407375B2Information processing apparatus and information processing methodYAMAMOTO KATSUHISA·Filed 2007·Granted Mar 26, 2013·2 cites·12 claims
- 0750USRE43336EPortable electronic terminal apparatus having a plurality of displaysYAMAMOTO KATSUHISA·Filed 2010·Granted May 1, 2012·1 cites·45 claims
- 0850US7633180B2Electronic apparatus and starting method of the electronic apparatusRICOH KK·Filed 2007·Granted Dec 15, 2009·0 cites·8 claims
- 0949US7193930B2Quantitative echo sounder and method of quantitative sounding of fishFURUNO ELECTRIC CO·Filed 2005·Granted Mar 20, 2007·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →