Inventor · disambiguated record
Yuzo Hayashi
Also filed as: HAYASHI YUZO
26 granted patents·6 pending applications·489 citations·filing 1976–2021
96Inventor score
Top patents by PatentIndex Score
32 records- 0197US7025482B2Light guide member and illuminating deviceALPS ELECTRIC CO LTD·Filed 2003·Granted Apr 11, 2006·127 cites·9 claims
- 0290US5626324ANon-sliding vacuum gate valveIRIE KOKEN KK·Filed 1994·Granted May 6, 1997·65 cites·11 claims
- 0385US6475935B1Regenerator and regenerative material used thereinIRIE KOUKEN CO LTD·Filed 2000·Granted Nov 5, 2002·39 cites·13 claims
- 0484US5087017AValve body for non-sliding type gate valveIRIE KOKEN KK·Filed 1990·Granted Feb 11, 1992·54 cites·2 claims
- 0583US6966538B2Gate valveIRIE KOKEN KK·Filed 2004·Granted Nov 22, 2005·29 cites·2 claims
- 0677US7495727B2Transflective liquid crystal display device having liquid crystal layer with much larger transmissive retardation than reflective retardationALPS ELECTRIC CO LTD·Filed 2005·Granted Feb 24, 2009·9 cites·7 claims
- 0775US5002255ANon-sliding gate valve for high vacuum useIRIE KOKEN KK·Filed 1990·Granted Mar 26, 1991·41 cites·3 claims
- 0872US6963381B2Active matrix display device with asymmetrical reflection, and insulating layer with a corrugated surface and a flat portionALPS ELECTRONIC CO LTD·Filed 2003·Granted Nov 8, 2005·13 cites·11 claims
- 0967US4767189ATerminal connection structure for a liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 1986·Granted Aug 30, 1988·27 cites·2 claims
- 1065US6083649AMethod of making color filterALPS ELECTRIC CO LTD·Filed 1998·Granted Jul 4, 2000·16 cites·5 claims
- 1152US11376884B2BinderKENKOUSYA LTD·Filed 2021·Granted Jul 5, 2022·0 cites·16 claims
- 1249US4987067AMaltooligosaccharide derivatives and reagents for determination of amylase activityYOSHITOMI PHARMACEUTICAL·Filed 1988·Granted Jan 22, 1991·7 cites·6 claims
- 1348US8053202B2Method for determining the stage of ulcerative colitis or interstitial pneumonitis and reagent kit thereofMUTSUNORI FUJIWARA·Filed 2010·Granted Nov 8, 2011·0 cites·8 claims
- 1447US2005036083A1Optical member, method for manufacturing the same, surface emitting device, and liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 1543US7829295B2Method for determining the stage of ulcerative colitis or interstitial pneumonitis and reagent kit thereofFUJIREBIO KK·Filed 2006·Granted Nov 9, 2010·0 cites·16 claims
- 1643US5075790AMethod for orienting liquid crystal display element by rubbingALPS ELECTRIC CO LTD·Filed 1990·Granted Dec 24, 1991·15 cites·2 claims
- 1742US2007177096A1Liquid crystal displayALPS ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 1841US5250420AMethod and reagent for determination of dehydrogenase or its substrateTOYO BOSEKI·Filed 1991·Granted Oct 5, 1993·8 cites·19 claims
- 1941US4983512AReagent for determination of acid phosphataseTOYO BOSEKI·Filed 1987·Granted Jan 8, 1991·5 cites·2 claims
- 2041US2005270463A1Bistable liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 2140US5393660AReagent for Determining α-amylase activity and method for determining α-amylase activityTOYO BOSEKI·Filed 1993·Granted Feb 28, 1995·10 cites·15 claims
- 2240US4477368AColor display liquid crystal compositionALPS ELECTRIC CO LTD·Filed 1982·Granted Oct 16, 1984·2 cites·5 claims
- 2340US4084755AMethod and apparatus for breaking up and separating waste glass to obtain culletSHIMOIIZAKA JUNZO·Filed 1976·Granted Apr 18, 1978·8 cites·1 claims
- 2440US2007146599A1Liquid crystal display device and method for manufacturing the sameUNIV TOHOKU·Filed 2006·Application pending·0 cites
- 2538US2004012726A1Active matrix display deviceALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 2637US5081016AMethod for measuring the amount of polyamines in a biological sampleTOYO BOSEKI·Filed 1988·Granted Jan 14, 1992·5 cites·6 claims
- 2737US2006017687A1Liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 2836US4482473ALiquid crystal mixtureALPS ELECTRIC CO LTD·Filed 1982·Granted Nov 13, 1984·5 cites·3 claims
- 2934USD975777SFileKENKOUSYA LTD·Filed 2021·Granted Jan 17, 2023·0 cites·1 claims
- 3032US6212317B1Method of manufacturing color filter and device of manufacturing the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Apr 3, 2001·3 cites·19 claims
- 3129US4543201ALiquid crystal mixtureALPS ELECTRIC CO LTD·Filed 1982·Granted Sep 24, 1985·1 cites·2 claims
- 3225USD982074SClip engagement portionKENKOUSYA LTD·Filed 2021·Granted Mar 28, 2023·0 cites·1 claims
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