Inventor · disambiguated record
Tamotsu Yamamoto
Also filed as: YAMAMOTO TAMOTSU
81 granted patents·22 pending applications·1,383 citations·filing 1977–2018
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD37FUJITSU LTD24PANASONIC CORP14INOUE HIROTO4OTICS CORP4
Top patents by PatentIndex Score
103 records- 0197US7250746B2Current mode switching regulator with predetermined on timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 31, 2007·105 cites·16 claims
- 0295US7737668B2Buck-boost switching regulatorPANASONIC CORP·Filed 2007·Granted Jun 15, 2010·53 cites·28 claims
- 0394US7323959B2Trackball deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jan 29, 2008·47 cites·7 claims
- 0493US7199636B2Active diodeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 3, 2007·47 cites·23 claims
- 0593US6664951B1Mobile communication terminal equipment and touch panel switch used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 16, 2003·98 cites·13 claims
- 0693US6518958B1Electronic apparatus having plural entry switchesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 11, 2003·102 cites·20 claims
- 0792US6388212B1Push and rotary operating type electronic componentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 14, 2002·49 cites·16 claims
- 0891US7451729B2Variable valve mechanismOTICS CORP·Filed 2007·Granted Nov 18, 2008·18 cites·16 claims
- 0991US6864679B2Rotary manipulation type input device and electronic apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 8, 2005·45 cites·5 claims
- 1091US6794982B2Multidirectional input device and electronic apparatus comprising itMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 21, 2004·25 cites·12 claims
- 1190US7416985B2Semiconductor device having a multilayer interconnection structure and fabrication method thereofFUJITSU LTD·Filed 2005·Granted Aug 26, 2008·29 cites·10 claims
- 1288US6645671B2Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anodeFUJITSU LTD·Filed 2001·Granted Nov 11, 2003·34 cites·9 claims
- 1387US6750408B2Multi-directional operation switch and multi-directional input device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 15, 2004·33 cites·15 claims
- 1486US7714562B2Hysteretic switching regulatorPANASONIC CORP·Filed 2006·Granted May 11, 2010·24 cites·19 claims
- 1585US9666541B2Electronic device, manufacturing method of the same, and network systemFUJITSU LTD·Filed 2015·Granted May 30, 2017·5 cites·20 claims
- 1685US9142861B2Lithium ionic conductor and fabrication method therefor, and all-solid lithium secondary batteryFUJITSU LTD·Filed 2014·Granted Sep 22, 2015·3 cites·11 claims
- 1785US5705778ARotary and pushbutton switch operating mechanism including flexible connection arrangement located between rotor and shaftMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 6, 1998·44 cites·13 claims
- 1885US4195250AAutomatic measuring and tool position compensating system for a numerically controlled machine toolIKEGAI IRON WORKS LTD·Filed 1977·Granted Mar 25, 1980·33 cites·5 claims
- 1984US7621242B2Variable valve operating mechanismOTICS CORP·Filed 2006·Granted Nov 24, 2009·10 cites·10 claims
- 2083US9595736B2Lithium-ion conductor and all-solid lithium-ion secondary batteryFUJITSU LTD·Filed 2015·Granted Mar 14, 2017·2 cites·18 claims
- 2183US7292015B2High efficiency, high slew rate switching regulator/amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Nov 6, 2007·25 cites·17 claims
- 2281US5613600ARotatively-operated electronic component with push switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 25, 1997·38 cites·5 claims
- 2381US4569115AMethod and apparatus for controlling the depth of cut in the radial direction of a rotary cutting tool in a machine toolIKEGAI IRON WORKS LTD·Filed 1983·Granted Feb 11, 1986·35 cites·3 claims
- 2480US8139033B2Input deviceYAMAMOTO TAMOTSU·Filed 2008·Granted Mar 20, 2012·14 cites·3 claims
- 2580US7439461B2Neutral position returning mechanism and input device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 21, 2008·8 cites·15 claims
- 2680US7126318B2Higher order slope compensation for fixed frequency current mode switching regulatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 24, 2006·16 cites·19 claims
- 2780US6653579B2Multi-directional input joystick switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 25, 2003·24 cites·24 claims
- 2879US8130123B2Rotary actuator and input device using the sameINOUE HIROTO·Filed 2008·Granted Mar 6, 2012·9 cites·20 claims
- 2979US7282894B2Method and apparatus for performing lossless sensing and negative inductor currents in a high side switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 16, 2007·15 cites·16 claims
- 3078US7176668B2Switching regulator with advanced slope compensationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 13, 2007·33 cites·4 claims
- 3178US6909422B2Track ball device and electronic apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 21, 2005·24 cites·35 claims
- 3276US9627161B2Operating switchPANASONIC IP MAN CO LTD·Filed 2013·Granted Apr 18, 2017·3 cites·5 claims
- 3373US6906269B2Multi-directional slide switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 14, 2005·16 cites·13 claims
- 3472US9046969B2Input deviceKAMAEGUCHI SHINJI·Filed 2011·Granted Jun 2, 2015·5 cites·8 claims
- 3570US9306418B2Uninterruptible power-supply apparatus and method of using the sameFUJITSU LTD·Filed 2012·Granted Apr 5, 2016·3 cites·17 claims
- 3670US7282900B2Performance controller for a step down current mode switching regulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 16, 2007·4 cites·30 claims
- 3770US6857879B2Coupling device and folding electronic apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 22, 2005·12 cites·20 claims
- 3870US5593023ARotatively-operated electronic component with push switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 14, 1997·24 cites·6 claims
- 3969US8184023B2Rotary operation type input deviceNAKA YOSHIO·Filed 2008·Granted May 22, 2012·7 cites·11 claims
- 4069US7960667B2Movable contact element and switch using the samePANASONIC CORP·Filed 2008·Granted Jun 14, 2011·5 cites·5 claims
- 4169US7619358B2Dispersion-type EL device and illuminated switch unit using the samePANASONIC CORP·Filed 2005·Granted Nov 17, 2009·3 cites·5 claims
- 4268US9075592B2Information processing system, uninterruptible power system, and method for controlling allocation of processingFUJITSU LTD·Filed 2012·Granted Jul 7, 2015·3 cites·6 claims
- 4368US6504269B1Input device and electronic appliance using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jan 7, 2003·22 cites·24 claims
- 4468US6229103B1Electronic component with built-in push switch driven by rotary and pushing operation of an operating knobMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 8, 2001·22 cites·10 claims
- 4567US10854913B2Solid electrolyte and all-solid batteryFUJITSU LTD·Filed 2018·Granted Dec 1, 2020·0 cites·15 claims
- 4666US7463312B2Remote controller and transmitter-receiver using the samePANASONIC CORP·Filed 2005·Granted Dec 9, 2008·4 cites·9 claims
- 4766US7295187B2Electronic apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 13, 2007·11 cites·7 claims
- 4866US7274354B2Portable electronic apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 25, 2007·12 cites·9 claims
- 4966US5951398AEncoder for game machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 14, 1999·24 cites·30 claims
- 5064US10505185B2Solid electrolyte and all-solid-state batteryFUJITSU LTD·Filed 2017·Granted Dec 10, 2019·0 cites·4 claims
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →