Inventor · disambiguated record
Tsutomu Hayakawa
Also filed as: HAYAKAWA TSUTOMU
16 granted patents·2 pending applications·97 citations·filing 1986–2021
92Inventor score
Top patents by PatentIndex Score
18 records- 0187US7368802B2Phase-change memory device and method of manufacturing sameELPIDA MEMORY INC·Filed 2006·Granted May 6, 2008·13 cites·20 claims
- 0284US7671360B2Semiconductor device and method of producing the sameELPIDA MEMORY INC·Filed 2007·Granted Mar 2, 2010·13 cites·14 claims
- 0382US7532507B2Phase change memory device and method for manufacturing phase change memory deviceELPIDA MEMORY INC·Filed 2007·Granted May 12, 2009·14 cites·26 claims
- 0468US7498601B2Phase-change memory device and method of manufacturing sameELPIDA MEMORY INC·Filed 2006·Granted Mar 3, 2009·4 cites·16 claims
- 0562US4728111ACompressed asbestos sheet gasket which swells in presence of liquidsTOYOTA MOTOR CO LTD·Filed 1986·Granted Mar 1, 1988·15 cites·13 claims
- 0661US11585761B2OH radical measuring device and OH radical measuring methodIHI CORP·Filed 2021·Granted Feb 21, 2023·0 cites·9 claims
- 0761US7755075B2Phase-change memory device with minimized reduction in thermal efficiency and method of manufacturing the sameELPIDA MEMORY INC·Filed 2007·Granted Jul 13, 2010·2 cites·16 claims
- 0859US6948319B2Cogeneration deviceHONDA MOTOR CO LTD·Filed 2002·Granted Sep 27, 2005·11 cites·7 claims
- 0958US7919767B2Semiconductor memory device and fabrication method thereofELPIDA MEMORY INC·Filed 2007·Granted Apr 5, 2011·1 cites·7 claims
- 1058US6723608B2Method for manufacturing a semiconductor device having a layered gate electrodeELPIDA MEMORY INC·Filed 2003·Granted Apr 20, 2004·8 cites·7 claims
- 1155US7728321B2Phase change memory device and method of manufacturing the deviceELIPIDA MEMORY INC·Filed 2006·Granted Jun 1, 2010·1 cites·12 claims
- 1250US2007294923A1FootwearNIHON HEALTH SHOES CO LTD·Filed 2006·Application pending·0 cites
- 1344US6861319B2Gate electrode and method of fabricating the sameELPIDA MEMORY INC·Filed 2003·Granted Mar 1, 2005·2 cites·7 claims
- 1442US2008067490A1Phase-change memory device having heater electrode with improved heat generation efficiencyELPIDA MEMORY INC·Filed 2007·Application pending·0 cites
- 1541US5902717AMethod of fabricating semiconductor device using half-tone phase shift maskNEC CORP·Filed 1997·Granted May 11, 1999·9 cites·4 claims
- 1633US7723717B2Semiconductor memory device and fabrication method thereofELPIDA MEMORY INC·Filed 2007·Granted May 25, 2010·0 cites·14 claims
- 1731US6278151B1Semiconductor device having wiring detour around stepNEC CORP·Filed 1998·Granted Aug 21, 2001·2 cites·18 claims
- 1831US5789789ASemiconductor device and manufacturing method for improved voltage resistance between an N-well and N-type diffusion layerNEC CORP·Filed 1996·Granted Aug 4, 1998·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →