Inventor · disambiguated record
Kazuhiko Sagara
Also filed as: SAGARA KAZUHIKO
17 granted patents·5 pending applications·624 citations·filing 1985–2012
95Inventor score
Top patents by PatentIndex Score
22 records- 0193US5355330ACapacitive memory having a PN junction writing and tunneling through an insulator of a charge holding electrodeHITACHI LTD·Filed 1992·Granted Oct 11, 1994·115 cites·14 claims
- 0291US5659764ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1994·Granted Aug 19, 1997·140 cites·13 claims
- 0386US5953693ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1997·Granted Sep 14, 1999·121 cites·5 claims
- 0486US5357464ASemiconductor memory having writing and reading transistors, method of fabrication thereof, and method of use thereofHITACHI LTD·Filed 1993·Granted Oct 18, 1994·63 cites·8 claims
- 0580US4729965AMethod of forming extrinsic base by diffusion from polysilicon/silicide source and emitter by lithographyHITACHI LTD·Filed 1985·Granted Mar 8, 1988·39 cites·24 claims
- 0664US5011788AProcess of manufacturing semiconductor integrated circuit device and product formed therebyHITACHI LTD·Filed 1988·Granted Apr 30, 1991·22 cites·21 claims
- 0759US7145146B2Micro-spectroscopic measuring device and micro-chemical systemHITACHI LTD·Filed 2004·Granted Dec 5, 2006·2 cites·16 claims
- 0858US4819054ASemiconductor IC with dual groove isolationHITACHI LTD·Filed 1987·Granted Apr 4, 1989·18 cites·30 claims
- 0955US4984048ASemiconductor device with buried side contactHITACHI LTD·Filed 1988·Granted Jan 8, 1991·20 cites·30 claims
- 1051US5141888AProcess of manufacturing semiconductor integrated circuit device having trench and field isolation regionsHITACHI LTD·Filed 1991·Granted Aug 25, 1992·15 cites·37 claims
- 1151US4812894ASemiconductor deviceHITACHI LTD·Filed 1988·Granted Mar 14, 1989·17 cites·16 claims
- 1250US4956688ARadiation resistant bipolar memoryHITACHI LTD·Filed 1989·Granted Sep 11, 1990·13 cites·37 claims
- 1347US2008259337A1Biological optical measuring apparatus and light detection moduleSAGARA KAZUHIKO·Filed 2007·Application pending·0 cites
- 1446US2005232263A1Communication control apparatus, communication network and method of updating packet transfer control informationSAGARA KAZUHIKO·Filed 2004·Application pending·0 cites
- 1544US4905078ASemiconductor deviceHITACHI LTD·Filed 1987·Granted Feb 27, 1990·10 cites·29 claims
- 1642US2016005058A1Sensitivity evaluation systemHITACHI LTD·Filed 2012·Application pending·0 cites
- 1741US5118633AMethod for manufacturing a bicmos semiconductor deviceHITACHI LTD·Filed 1990·Granted Jun 2, 1992·8 cites·24 claims
- 1841US4858184ARadiation resistant bipolar memoryHITACHI LTD·Filed 1987·Granted Aug 15, 1989·7 cites·12 claims
- 1938US4829361ASemiconductor deviceHITACHI LTD·Filed 1987·Granted May 9, 1989·9 cites·39 claims
- 2038US2007192484A1Distributed authentication system and communication control apparatusHITACHI LTD·Filed 2006·Application pending·0 cites
- 2138US2006198382A1Communication node, communication network and method for updating databaseHITACHI LTD·Filed 2006·Application pending·0 cites
- 2237US4958320ARadiation resistant bipolar memoryHITACHI LTD·Filed 1989·Granted Sep 18, 1990·5 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →