Inventor · disambiguated record
Shigeaki Sato
Also filed as: SATO SHIGEAKI
14 granted patents·338 citations·filing 1984–2004
94Inventor score
Files withYAMAHA CORP7KURITA WATER IND LTD2NIPPON MUSICAL INSTRUMENTS MFG2HITACHI METALS LTD1TOKYO GAS CO LTD1
Top patents by PatentIndex Score
14 records- 0190US6461512B1Method of disinfecting a deionized water producing apparatus and method of producing deionized waterKURITA WATER IND LTD·Filed 2000·Granted Oct 8, 2002·47 cites·6 claims
- 0286US5980716AWater treatment apparatus for a fuel cell systemTOKYO GAS CO LTD·Filed 1996·Granted Nov 9, 1999·96 cites·2 claims
- 0383US6933435B2Easily installable optical position transducer and keyboard musical instrument having the sameYAMAHA CORP·Filed 2004·Granted Aug 23, 2005·25 cites·5 claims
- 0483US6288313B1Keyboard musical instrument having split rear top board and/or visual display unitYAMAHA CORP·Filed 2000·Granted Sep 11, 2001·32 cites·29 claims
- 0574US7049576B2Keyboard 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
- 0672US7133852B2Electricity generation equipment management systemKURITA WATER IND LTD·Filed 2001·Granted Nov 7, 2006·10 cites·17 claims
- 0772US7060890B2Keyboard musical instrument structureYAMAHA CORP·Filed 2004·Granted Jun 13, 2006·13 cites·5 claims
- 0871US6452079B2Keyboard musical instrument equipped with hammer stopper promptly driven for rotation by means of rigid link workYAMAHA CORP·Filed 2001·Granted Sep 17, 2002·17 cites·28 claims
- 0970US5649714ATool holderTOYOTA MOTOR CO LTD·Filed 1995·Granted Jul 22, 1997·34 cites·9 claims
- 1063US6221183B1High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wireHITACHI METALS LTD·Filed 1993·Granted Apr 24, 2001·17 cites·12 claims
- 1151US4641565AUpright pianoNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Feb 10, 1987·14 cites·9 claims
- 1246US6846982B2Key depression detection apparatus for keyboard instrumentYAMAHA CORP·Filed 2003·Granted Jan 25, 2005·2 cites·7 claims
- 1343US5616880AKeyboard musical instrument equipped with hammer shank stopper where hammer assembly rebounds without deflection of shankYAMAHA CORP·Filed 1995·Granted Apr 1, 1997·12 cites·14 claims
- 1434US4593594AHousing for upright pianosNIPPON MUSICAL INSTRUMENTS MFG·Filed 1984·Granted Jun 10, 1986·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →