Inventor · disambiguated record
Katsuhiko Hieda
Also filed as: HIEDA KATSUHIKO
76 granted patents·15 pending applications·3,658 citations·filing 1987–2016
99Inventor score
Top patents by PatentIndex Score
91 records- 0199US6054355AMethod of manufacturing a semiconductor device which includes forming a dummy gateTOSHIBA KK·Filed 1998·Granted Apr 25, 2000·338 cites·23 claims
- 0298US7579241B2Semiconductor device and method of manufacture thereofTOSHIBA KK·Filed 2007·Granted Aug 25, 2009·239 cites·6 claims
- 0398US7224019B2Semiconductor device and method of manufacture thereofTOSHIBA KK·Filed 2005·Granted May 29, 2007·269 cites·12 claims
- 0498US6482714B1Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2000·Granted Nov 19, 2002·171 cites·24 claims
- 0597US6737724B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2002·Granted May 18, 2004·124 cites·12 claims
- 0696US5072269ADynamic ram and method of manufacturing the sameTOSHIBA KK·Filed 1989·Granted Dec 10, 1991·134 cites·13 claims
- 0795US6515338B1Semiconductor device and manufacturing method thereforTOSHIBA KK·Filed 2000·Granted Feb 4, 2003·82 cites·17 claims
- 0895US6251763B1Semiconductor device and method for manufacturing sameTOSHIBA KK·Filed 1998·Granted Jun 26, 2001·114 cites·14 claims
- 0995US5371024ASemiconductor device and process for manufacturing the sameTOSHIBA KK·Filed 1992·Granted Dec 6, 1994·128 cites·22 claims
- 1095US4979014AMOS transistorTOSHIBA KK·Filed 1988·Granted Dec 18, 1990·183 cites·11 claims
- 1193US6664592B2Semiconductor device with groove type channel structureTOSHIBA KK·Filed 2002·Granted Dec 16, 2003·60 cites·2 claims
- 1292US6777776B2Semiconductor device that includes a plurality of capacitors having different capacitiesTOSHIBA KK·Filed 2003·Granted Aug 17, 2004·61 cites·27 claims
- 1392US6236079B1Dynamic semiconductor memory device having a trench capacitorTOSHIBA KK·Filed 1997·Granted May 22, 2001·92 cites·9 claims
- 1492US6015990ASemiconductor memory device and method of manufacturing the sameTOSHIBA KK·Filed 1998·Granted Jan 18, 2000·109 cites·14 claims
- 1591US6124189AMetallization structure and method for a semiconductor deviceTOSHIBA KK·Filed 1997·Granted Sep 26, 2000·121 cites·47 claims
- 1690US6278164B1Semiconductor device with gate insulator formed of high dielectric filmTOSHIBA KK·Filed 1997·Granted Aug 21, 2001·81 cites·27 claims
- 1789US7413987B2Method for manufacturing a semiconductor deviceTOSHIBA KK·Filed 2006·Granted Aug 19, 2008·13 cites·19 claims
- 1888US7105397B2Semiconductor device and method of fabricating the sameTOSHIBA KK·Filed 2004·Granted Sep 12, 2006·34 cites·8 claims
- 1987US6787827B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2002·Granted Sep 7, 2004·30 cites·6 claims
- 2087US6720606B1Dynamic semiconductor memory device having a trench capacitorTOSHIBA KK·Filed 2000·Granted Apr 13, 2004·39 cites·12 claims
- 2187US5998821ADynamic ram structure having a trench capacitorTOSHIBA KK·Filed 1997·Granted Dec 7, 1999·75 cites·16 claims
- 2287US5508541ARandom access memory device with trench-type one-transistor memory cell structureTOSHIBA KK·Filed 1993·Granted Apr 16, 1996·61 cites·24 claims
- 2386US7416987B2Semiconductor device and method of fabricating the sameTOSHIBA KK·Filed 2006·Granted Aug 26, 2008·9 cites·8 claims
- 2485US6707706B2Semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2002·Granted Mar 16, 2004·37 cites·25 claims
- 2585US5235199ASemiconductor memory with pad electrode and bit line under stacked capacitorTOSHIBA KK·Filed 1992·Granted Aug 10, 1993·48 cites·7 claims
- 2685US5138412ADynamic ram, having an improved large capacitanceTOSHIBA KK·Filed 1991·Granted Aug 11, 1992·65 cites·12 claims
- 2784US7071107B2Method for manufacturing a semiconductor deviceTOSHIBA KK·Filed 2003·Granted Jul 4, 2006·27 cites·21 claims
- 2884US7060559B2Method of manufacturing a nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2003·Granted Jun 13, 2006·35 cites·14 claims
- 2984US6992358B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2004·Granted Jan 31, 2006·31 cites·12 claims
- 3083US7180121B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2005·Granted Feb 20, 2007·9 cites·14 claims
- 3183US6351006B1Ferroelectric capacitor with means to prevent deteriorationTOSHIBA KK·Filed 1999·Granted Feb 26, 2002·55 cites·12 claims
- 3283US5747844ADynamic semiconductor memory device with higher density bit line/word line layoutTOSHIBA KK·Filed 1996·Granted May 5, 1998·45 cites·31 claims
- 3381US6072221ASemiconductor device having self-aligned contact plug and metallized gate electrodeTOSHIBA KK·Filed 1998·Granted Jun 6, 2000·63 cites·12 claims
- 3481US5702567APlurality of photolithographic alignment marks with shape, size and spacing based on circuit pattern featuresTOSHIBA KK·Filed 1995·Granted Dec 30, 1997·56 cites·13 claims
- 3581US5155059AMethod of manufacturing dynamic RAMTOSHIBA KK·Filed 1991·Granted Oct 13, 1992·46 cites·5 claims
- 3680US6388282B1Semiconductor memory device and method of manufacture the sameTOSHIBA KK·Filed 2000·Granted May 14, 2002·22 cites·39 claims
- 3780US5363325ADynamic semiconductor memory device having high integration densityTOSHIBA KK·Filed 1992·Granted Nov 8, 1994·46 cites·17 claims
- 3878US5736760ARandom access memory device with trench-type one-transistor memory cell structureTOSHIBA KK·Filed 1996·Granted Apr 7, 1998·37 cites·9 claims
- 3978US5387532ASemiconductor memory having capacitor electrode formed above bit lineTOSHIBA KK·Filed 1993·Granted Feb 7, 1995·35 cites·10 claims
- 4076US5561311ASemiconductor memory with insulation film embedded in groove formed on substrateTOSHIBA KK·Filed 1994·Granted Oct 1, 1996·31 cites·9 claims
- 4172US7253075B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2004·Granted Aug 7, 2007·14 cites·18 claims
- 4271US6335241B1Semiconductor device and manufacturing method thereofTOSHIBA KK·Filed 1999·Granted Jan 1, 2002·29 cites·5 claims
- 4370US6403997B1Method for manufacturing semiconductor devicesTOSHIBA KK·Filed 2000·Granted Jun 11, 2002·11 cites·7 claims
- 4469US5350708AMethod of making dynamic random access semiconductor memory deviceTOSHIBA KK·Filed 1993·Granted Sep 27, 1994·23 cites·3 claims
- 4567US6495054B1Etching method and cleaning method of chemical vapor growth apparatusTOSHIBA KK·Filed 1999·Granted Dec 17, 2002·22 cites·2 claims
- 4667US5119155ASemiconductor memory device with dielectric isolationTOSHIBA KK·Filed 1990·Granted Jun 2, 1992·25 cites·5 claims
- 4766US7618876B2Semiconductor device and method of manufacturing the same by filling a trench which includes an additional coating stepTOSHIBA KK·Filed 2005·Granted Nov 17, 2009·2 cites·6 claims
- 4866US5578847ADynamic semiconductor memory device with higher density bit line/word line layoutTOSHIBA KK·Filed 1995·Granted Nov 26, 1996·23 cites·14 claims
- 4965US5250830ADynamic type semiconductor memory device and its manufacturing methodTOSHIBA KK·Filed 1991·Granted Oct 5, 1993·20 cites·10 claims
- 5063US7759174B2Method of manufacturing a semiconductor deviceTOSHIBA KK·Filed 2007·Granted Jul 20, 2010·2 cites·7 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Katsuhiko Hieda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →