Inventor · disambiguated record
Shigeru Muramatsu
Also filed as: MURAMATSU SHIGERU
132 granted patents·3 pending applications·2,404 citations·filing 1975–2015
99Inventor score
Files withYAMAHA CORP55MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40TOYODA AUTOMATIC LOOM WORKS11MURAMATSU SHIGERU7MITSUBISHI ENG PLASTICS CORP5
Top patents by PatentIndex Score
135 records- 0195US6257846B1Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 10, 2001·48 cites·4 claims
- 0294US5037278AScroll compressor with heat insulating and soundproof cover in bottom disposed low pressure chamberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 6, 1991·57 cites·13 claims
- 0393US5247129AStringless piano-touch electric sound producer for directly driving a sound board on the basis of key actionsYAMAHA CORP·Filed 1992·Granted Sep 21, 1993·100 cites·34 claims
- 0491US7411124B2Self-calibrating transducer system and musical instrument equipped with the sameYAMAHA CORP·Filed 2005·Granted Aug 12, 2008·20 cites·20 claims
- 0591US5545021AHermetically sealed rotary compressor having an oil supply capillary passageMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 13, 1996·50 cites·36 claims
- 0690US7435895B2Automatic playing system used for musical instruments and computer program used therein for self-teachingYAMAHA CORP·Filed 2007·Granted Oct 14, 2008·22 cites·19 claims
- 0790US5952806AInner force sense controller for providing variable force to multidirectional moving object, method of controlling inner force sense and information storage medium used thereinYAMAHA CORP·Filed 1997·Granted Sep 14, 1999·94 cites·21 claims
- 0890US4967234AImage forming apparatusRICOH KK·Filed 1988·Granted Oct 30, 1990·36 cites·5 claims
- 0988US6515213B2Keyboard musical instrument for exactly producing tones and hammer sensor varying output signal exactly representing physical quantity of hammerYAMAHA CORP·Filed 2001·Granted Feb 4, 2003·28 cites·11 claims
- 1088US6447274B1Rotary compressor having a cylinder block of sintered metalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 10, 2002·50 cites·22 claims
- 1186US6403872B2Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated thereinYAMAHA CORP·Filed 2000·Granted Jun 11, 2002·37 cites·34 claims
- 1285US4485616AMethod and apparatus for supplying vacuum to a traveling-type servicing device serving a parent multi-station textile machine such as a spinning frameTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Dec 4, 1984·15 cites·8 claims
- 1384US5977466AKeyboard musical instrument equipped with small simple economical key touch generatorYAMAHA CORP·Filed 1997·Granted Nov 2, 1999·59 cites·19 claims
- 1484US4728985ACopier capable of setting up an erase area on a photoconductive elementRICOH KK·Filed 1986·Granted Mar 1, 1988·26 cites·2 claims
- 1583US8389833B2Upright piano type actionMURAMATSU SHIGERU·Filed 2011·Granted Mar 5, 2013·8 cites·10 claims
- 1683US6933435B2Easily installable optical position transducer and keyboard musical instrument having the sameYAMAHA CORP·Filed 2004·Granted Aug 23, 2005·25 cites·5 claims
- 1783US6608133B2Thermoplastic resin composition, molded product using the same and transport member for electric and electronic parts using the sameMITSUBISHI ENG PLASTICS CORP·Filed 2001·Granted Aug 19, 2003·16 cites·10 claims
- 1883US5783765AKeyboard musical instrument equipped with electromagnetic key touch generator for imparting piano key-touch to playerYAMAHA CORP·Filed 1997·Granted Jul 21, 1998·61 cites·10 claims
- 1983US5395214AStarting method for scroll-type compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 7, 1995·41 cites·2 claims
- 2082US6359207B1Position transducer system with built-in calibrator for moving object, method for accurately determining position of moving object and keyboard musical instrument equipped with the position transducer systemYAMAHA CORP·Filed 1999·Granted Mar 19, 2002·67 cites·9 claims
- 2181US5107748ATouch-response tone controller unit for an electronic musical instrumentYAMAHA CORP·Filed 1990·Granted Apr 28, 1992·38 cites·59 claims
- 2281US4510648AWeighting device for drafting meansTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Apr 16, 1985·14 cites·3 claims
- 2380US8294009B2Upright piano type actionMURAMATSU SHIGERU·Filed 2011·Granted Oct 23, 2012·6 cites·6 claims
- 2480US7432429B2Pedaling aid for handicapped musicianYAMAHA CORP·Filed 2005·Granted Oct 7, 2008·4 cites·9 claims
- 2580US7355109B2Separate automatic player driving keys and pedals of keyboard musical instrumentYAMAHA CORP·Filed 2005·Granted Apr 8, 2008·9 cites·20 claims
- 2680US6164934ASealed type compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 26, 2000·35 cites·69 claims
- 2780US6121535AKeyboard musical instrument having key touch controller for giving piano key touch to player, method of simulating piano key touch and information storage medium for storing programYAMAHA CORP·Filed 1998·Granted Sep 19, 2000·39 cites·7 claims
- 2880US4498283AApparatus for locating a traveling-type servicing device in a multistation textile machineTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Feb 12, 1985·13 cites·11 claims
- 2979US6420642B1Automatic player incorporated in keyboard musical instrument and plunger sensor for detecting motion of plungerYAMAHA CORP·Filed 2000·Granted Jul 16, 2002·24 cites·8 claims
- 3079US5922983AKeyboard musical instrument having key touch controllerYAMAHA CORP·Filed 1997·Granted Jul 13, 1999·42 cites·10 claims
- 3179US5879809AThermoplastic resin/oil-bleeding silicone rubber integrally molded articlesMITSUBISHI ENG PLASTICS CORP·Filed 1996·Granted Mar 9, 1999·39 cites·7 claims
- 3279US5213489AScroll compressor with axial vibration prevention for a shaft bearingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted May 25, 1993·41 cites·2 claims
- 3378US7268289B2Musical instrument performing artistic visual expression and controlling system incorporated thereinYAMAHA CORP·Filed 2005·Granted Sep 11, 2007·8 cites·24 claims
- 3478US5690475AScroll compressor with overload protectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 25, 1997·34 cites·5 claims
- 3577US8889975B2Keyboard apparatusYAMAHA CORP·Filed 2013·Granted Nov 18, 2014·4 cites·8 claims
- 3677US5695326ACompressor for a refrigeration machine having a thrust bearingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 9, 1997·28 cites·9 claims
- 3777US5685703AHermetically sealed rotary compressor having an oil supply passage to the compression compartmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 11, 1997·25 cites·4 claims
- 3877US5217359AScroll compressor with regulated oil flow to the back pressure chamberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 8, 1993·34 cites·3 claims
- 3977US4582270AMethod of transferring yarn packages in a spinning frameTOYODA AUTOMATIC LOOM WORKS·Filed 1985·Granted Apr 15, 1986·12 cites·4 claims
- 4076US6158995ASealed compressor having pipe connectors and method of joining pipe connectors to sealed casingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 12, 2000·28 cites·3 claims
- 4176US4469000ASolenoid driving apparatus for actuating key of player pianoNIPPON MUSICAL INSTRUMENTS MFG·Filed 1982·Granted Sep 4, 1984·32 cites·9 claims
- 4275US7521626B2Automatic player musical instrument, testing system incorporated therein and method for specifying half pedal pointYAMAHA CORP·Filed 2007·Granted Apr 21, 2009·9 cites·20 claims
- 4375US6713751B2Easily assembled optical fiber sensor and musical instrument using the sameYAMAHA CORP·Filed 2001·Granted Mar 30, 2004·17 cites·17 claims
- 4475US5880389AKeyboard musical instrument having key-touch generator changing load exerted on keys depending upon sounds to be producedYAMAHA CORP·Filed 1997·Granted Mar 9, 1999·40 cites·10 claims
- 4575US5622487AScroll compressor having a separate stationary wrap element secured to a frameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 22, 1997·23 cites·8 claims
- 4675US4565278AMethod of transferring yarn packagesTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Jan 21, 1986·24 cites·4 claims
- 4774US8849378B2Chemical liquid injectorNEMOTO SHIGERU·Filed 2010·Granted Sep 30, 2014·8 cites·20 claims
- 4874US7049576B2Keyboard musical instrument having easily installable optical position transducer with coupler for coupling optical modulator to moving objectYAMAHA CORP·Filed 2002·Granted May 23, 2006·15 cites·4 claims
- 4974US6515565B1Electromagnetic device equipped with solenoid, automatic player using the same and automatic player keyboard musical instrumentYAMAHA CORP·Filed 2000·Granted Feb 4, 2003·17 cites·10 claims
- 5073US6940005B2Keyboard musical instrument for exactly producing tones and hammer sensor varying output signal exactly representing physical quantity of hammerYAMAHA CORP·Filed 2002·Granted Sep 6, 2005·12 cites·8 claims
Showing the top 50 of 135 patent records by PatentIndex Score.
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