Inventor · disambiguated record
Keiichiro Hayashi
Also filed as: HAYASHI KEIICHIRO
17 granted patents·4 pending applications·387 citations·filing 1983–2014
94Inventor score
Files withSEIKO INSTR INC5FUJI PHOTO FILM CO LTD4ISHIKAWAJIMA HARIMA HEAVY IND3KAMAMORI HITOSHI3HAYASHI KEIICHIRO2
Top patents by PatentIndex Score
21 records- 0198US6589445B2Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystalFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 8, 2003·54 cites·16 claims
- 0294US9240498B2Optical semiconductor deviceSEIKO INSTR INC·Filed 2014·Granted Jan 19, 2016·21 cites·4 claims
- 0392US9029968B2Optical sensor deviceSEIKO INSTR INC·Filed 2012·Granted May 12, 2015·13 cites·11 claims
- 0492US5616829AAbnormality detection/suppression system for a valve apparatusTELEDYNE IND·Filed 1995·Granted Apr 1, 1997·175 cites·7 claims
- 0589US5468194APower transmission for mechanical pressISHIKAWAJIMA HARIMA HEAVY IND·Filed 1995·Granted Nov 21, 1995·39 cites·1 claims
- 0685US5425682APower transmission for mechanical pressISHIKAWAJIMA HARIMA HEAVY IND·Filed 1993·Granted Jun 20, 1995·21 cites·7 claims
- 0771US6610216B2Optically active compound, photoreactive chiral agent, liquid crystal composition, method for changing helical structure of liquid crystal, method for fixing helical structure of liquid crystal, liquid crystal color filter, optical film, and recording mediumFUJI PHOTO FILM CO LTD·Filed 2001·Granted Aug 26, 2003·12 cites·13 claims
- 0867US8933386B2Optical sensor device and method of manufacturing the sameSEIKO INSTR INC·Filed 2012·Granted Jan 13, 2015·2 cites·7 claims
- 0967US8134173B2Lighting device having light emitting element mounted in glass substrateKAMAMORI HITOSHI·Filed 2009·Granted Mar 13, 2012·5 cites·18 claims
- 1066US8946664B2Optical sensor device having wiring pattern within cavity housing optical sensor elementTSUKAGOSHI KOJI·Filed 2012·Granted Feb 3, 2015·3 cites·20 claims
- 1164US6846540B2Optically active polyesteramides, photoreactive chiral agents, liquid crystal compositions, liquid crystal color filters, optical films and recording media, as well as method for changing helical structure of liquid crystals, and method for fixing helical structure of liquid crystalsFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jan 25, 2005·9 cites·20 claims
- 1257US6902687B2Optically active isosorbide derivative and optically active isomannide derivative, production methods thereof, photo-reactive chiral agent, liquid crystal composition, liquid crystal color filter, optical film and recording medium, method for changing helical structure of liquid crystal and method for fixing helical structure of liquid crystalFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jun 7, 2005·5 cites·22 claims
- 1348US9362195B2Semiconductor deviceSEIKO INSTR INC·Filed 2014·Granted Jun 7, 2016·0 cites·7 claims
- 1448US4467917ACarrier tube for prints, sheets or artistic canvasesHAYASHI KEIICHIRO·Filed 1983·Granted Aug 28, 1984·10 cites·20 claims
- 1546US2013000355A1Method of manufacturing an optical filter for an illuminance sensorOKU SADAO·Filed 2012·Application pending·0 cites
- 1643US4625873AGarment rackHAYASHI KEIICHIRO·Filed 1984·Granted Dec 2, 1986·12 cites·12 claims
- 1742US5453060APower transmission for mechanical pressISHIKAWAJIMA HARIMA HEAVY IND·Filed 1994·Granted Sep 26, 1995·6 cites·1 claims
- 1841US2010079050A1Light emitting device and method of manufacturing the sameKAMAMORI HITOSHI·Filed 2009·Application pending·0 cites
- 1939US7303943B2Method of manufacturing electric deviceSEIKO INSTR INC·Filed 2004·Granted Dec 4, 2007·0 cites·7 claims
- 2033US2011210370A1Light emitting deviceKAMAMORI HITOSHI·Filed 2011·Application pending·0 cites
- 2132US2011215366A1Light emitting deviceTSUKAGOSHI KOJI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →