Inventor · disambiguated record
Masaaki Yokoyama
Also filed as: YOKOYAMA MASAAKI
26 granted patents·9 pending applications·600 citations·filing 1980–2012
96Inventor score
Files withMITA INDUSTRIAL CO LTD4YOKOYAMA MASAAKI4JAPAN SCIENCE & TECH CORP3HITACHI LTD2JAPAN SCIENCE & TECH AGENCY2
Top patents by PatentIndex Score
35 records- 0195US5312713AInformation recording medium and information recording methodMITA INDUSTRIAL CO LTD·Filed 1993·Granted May 17, 1994·72 cites·16 claims
- 0293US5400072AVideo camera unit having an airtight mounting arrangement for an image sensor chipHITACHI LTD·Filed 1990·Granted Mar 21, 1995·153 cites·20 claims
- 0392US5673083ASemiconductor device and video camera unit having the same and method for manufacturing the sameHITACHI LTD·Filed 1995·Granted Sep 30, 1997·119 cites·4 claims
- 0486US4327045ACooling process suitable for foam molding of a synthetic resin and its cooling apparatusBADISCHE YUKA CO LTD·Filed 1980·Granted Apr 27, 1982·54 cites·8 claims
- 0583US8120242B2Transistor and process of producing the same, light-emitting device, and displayYOKOYAMA MASAAKI·Filed 2007·Granted Feb 21, 2012·9 cites·12 claims
- 0678US5264266AInformation recording medium including an organic polysilane and an oxo metallic phthalocyaningMITA INDUSTRIAL CO LTD·Filed 1991·Granted Nov 23, 1993·37 cites·20 claims
- 0773US5213923APhotosensitive material for electrophotography comprising a charge transport layer comprising an organopolysilane and diphenoquinoneMITA INDUSTRIAL CO LTD·Filed 1990·Granted May 25, 1993·19 cites·8 claims
- 0869US6651019B2Method and apparatus for calculating correction value for thermal displacement in machine toolMORI SEIKI SEISAKUSHO KK·Filed 2001·Granted Nov 18, 2003·19 cites·9 claims
- 0966US5863679AMethod for forming thin film patternNIPPON PAINT CO LTD·Filed 1996·Granted Jan 26, 1999·27 cites·10 claims
- 1066US5391442AMethod of forming color pattern on a polysilane layerNIPPON PAINT CO LTD·Filed 1993·Granted Feb 21, 1995·21 cites·7 claims
- 1165US6383698B1Electrophotosensitive material using quinone derivativeKYOCERA MITA CORP·Filed 2000·Granted May 7, 2002·9 cites·12 claims
- 1263US7081368B2Method for detecting gas with the use of photocurrent amplification and the like and gas sensorJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Jul 25, 2006·5 cites·15 claims
- 1355US4761980AMethod of feeding material to hot forging machineSUMITOMO METAL IND·Filed 1986·Granted Aug 9, 1988·11 cites·2 claims
- 1454US6878960B2Multiplication device comprising resin-dispersed organic semiconductor film and method for producing the sameJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Apr 12, 2005·4 cites·6 claims
- 1554US6027806AExpanded resin beadsMITSUBISHI CHEMICAL BASF COMPA·Filed 1998·Granted Feb 22, 2000·16 cites·10 claims
- 1652US7294780B2Photoelectric current multiplier using molecular crystal and production method thereforJAPAN SCIENCE & TECH AGENCY·Filed 2006·Granted Nov 13, 2007·0 cites·8 claims
- 1750US4823577AMethod of feeding material to hot forging machineSUMIMOTO METAL IND LTD·Filed 1988·Granted Apr 25, 1989·13 cites·2 claims
- 1848US2012112318A1Transistor and process of producing the same, light-emitting device, and displayYOKOYAMA MASAAKI·Filed 2012·Application pending·0 cites
- 1945US2012315582A1Patterned substrate and method for producing sameYOKOYAMA MASAAKI·Filed 2012·Application pending·0 cites
- 2044US8933437B2Organic semiconductor material with neutral radical compound of a trioxotriangulene derivative as a semiconductor materialMORITA YASUSHI·Filed 2009·Granted Jan 13, 2015·0 cites·7 claims
- 2144US8003976B2Organic light-light conversion deviceSUMITOMO CHEMICAL CO·Filed 2004·Granted Aug 23, 2011·0 cites·18 claims
- 2244US5130214AMethod for producing electrophotographic photoreceptor and apparatus used thereforTOA GOSEI CHEM IND·Filed 1990·Granted Jul 14, 1992·6 cites·7 claims
- 2344US2008118773A1Complex Composition, Polymer Complex Compound And Polymer Light-Emitting DeviceMIKAMI SATOSHI·Filed 2004·Application pending·0 cites
- 2443US2008260970A1Organic Electroluminescence DeviceNAKAYAMA KENICHI·Filed 2006·Application pending·0 cites
- 2542US2005040554A1Polyolefin resin molding compositeFiled 2004·Application pending·0 cites
- 2641US7220986B2Photoelectric current multiplier using molecular crystal and production method thereforJAPAN SCIENCE & TECH AGENCY·Filed 2002·Granted May 22, 2007·0 cites·5 claims
- 2741US5262260APhotoreceptor containing carrier transport with polysilane and phenylene diamineTOA GOSEI CHEM IND·Filed 1992·Granted Nov 16, 1993·5 cites·7 claims
- 2840US2008241484A1Patterned Substrate and Method for Producing SameYOKOYAMA MASAAKI·Filed 2005·Application pending·0 cites
- 2940US2008217604A1Organic Semiconductor Film, Electron Device Using the Same and Manufacturing Method ThereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3039US6815051B2Polyolefin resin molding compositeJSP CORP·Filed 2001·Granted Nov 9, 2004·0 cites·5 claims
- 3139US2002006507A1Polypropylene resin molding composite for automobileMITSUBISHI CHEMICAL FOAM PLAST·Filed 2001·Application pending·0 cites
- 3237US7262430B2Organic photocurrent multiplication deviceJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Aug 28, 2007·0 cites·4 claims
- 3337US6605915B2Numerical control apparatus for machine toolMORI SEIKI SEISAKUSHO KK·Filed 2001·Granted Aug 12, 2003·0 cites·3 claims
- 3433US2004151879A1Polypropylene resin molding composite for automobileFiled 2004·Application pending·0 cites
- 3530US5184895AOptical sensor and thermal sensorMITA INDUSTRIAL CO LTD·Filed 1991·Granted Feb 9, 1993·1 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →