Inventor · disambiguated record
Kouzou Watanabe
Also filed as: WATANABE KOUZOU
11 granted patents·2 pending applications·389 citations·filing 1975–2008
92Inventor score
Top patents by PatentIndex Score
13 records- 0198US4692643ASemiconductor switching device having plural MOSFET's, GTO's or the like connected in seriesHITACHI LTD·Filed 1984·Granted Sep 8, 1987·114 cites·26 claims
- 0292US5280228AInverter circuitHITACHI LTD·Filed 1991·Granted Jan 18, 1994·115 cites·20 claims
- 0385US4909388ACompressed roll paper, method of and apparatus for producing sameWATANABE KOUZOU·Filed 1989·Granted Mar 20, 1990·45 cites·1 claims
- 0476US4762061AMethod of producing compressed roll of paperWATANABE KOUZOU·Filed 1987·Granted Aug 9, 1988·31 cites·1 claims
- 0573US5351182ALevel shift circuit and inverter apparatus using the sameHITACHI LTD·Filed 1993·Granted Sep 27, 1994·26 cites·7 claims
- 0672US4012679AMethod and apparatus for controlling the operation of synchronous motorHITACHI LTD·Filed 1975·Granted Mar 15, 1977·18 cites·6 claims
- 0760US6722589B1Slip prevention particle injection deviceRAILWAY TECHNICAL RES INST·Filed 2001·Granted Apr 20, 2004·10 cites·5 claims
- 0854US6544839B1Semiconductor integrated circuit device and a method of manufacturing the sameHITACHI LTD·Filed 1999·Granted Apr 8, 2003·10 cites·8 claims
- 0952US5216587AInverterHITACHI LTD·Filed 1992·Granted Jun 1, 1993·20 cites·6 claims
- 1048US7524729B2Method of manufacturing a semiconductor integrated circuit device having a trenchRENESAS TECH CORP·Filed 2005·Granted Apr 28, 2009·0 cites·46 claims
- 1147US2009029524A1Method of manufacturing a semiconductor integrated circuit device having a trenchKANAMITSU KENJI·Filed 2008·Application pending·0 cites
- 1241US6967141B2Method of manufacturing a semiconductor integrated circuit device having a trenchRENESAS TECH CORP·Filed 2004·Granted Nov 22, 2005·0 cites·13 claims
- 1338US2003038337A1Semiconductor integrated circuit device and a method of manufacturing the sameFiled 2002·Application pending·0 cites
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