Inventor · disambiguated record
Seiji Hirade
Also filed as: HIRADE SEIJI
12 granted patents·7 pending applications·126 citations·filing 1993–2008
91Inventor score
Top patents by PatentIndex Score
19 records- 0178US7119267B2Portable mixing recorder and method and program for controlling the sameYAMAHA CORP·Filed 2002·Granted Oct 10, 2006·34 cites·25 claims
- 0273US8126167B2Condenser microphoneHIRADE SEIJI·Filed 2007·Granted Feb 28, 2012·10 cites·22 claims
- 0358US6847059B2Semiconductor input protection circuitYAMAHA CORP·Filed 2001·Granted Jan 25, 2005·8 cites·8 claims
- 0455US7212469B2Mixing recorder, control method therefore, and computer-readable medium including program for implementing the control methodYAMAHA CORP·Filed 2003·Granted May 1, 2007·8 cites·7 claims
- 0550US2009136064A1Vibration transducer and manufacturing method thereforYAMAHA CORP·Filed 2008·Application pending·0 cites
- 0648US5793110AMOS transistor with good hot carrier resistance and low interface state densityYAMAHA CORP·Filed 1996·Granted Aug 11, 1998·15 cites·22 claims
- 0748US2008310663A1Microphone package adapted to semiconductor device and manufacturing method thereforYAMAHA CORP·Filed 2008·Application pending·0 cites
- 0848US2008019543A1Silicon microphone and manufacturing method thereforYAMAHA CORP·Filed 2007·Application pending·0 cites
- 0948US2009060232A1Condenser microphoneYAMAHA CORP·Filed 2008·Application pending·0 cites
- 1047US6633059B1Semiconductor device having MOS transistorYAMAHA CORP·Filed 2000·Granted Oct 14, 2003·3 cites·9 claims
- 1147US6080652AMethod of fabricating a semiconductor device having a multi-layered wiringYAMAHA CORP·Filed 1998·Granted Jun 27, 2000·12 cites·4 claims
- 1247US5998814ASemiconductor device and fabrication method thereofYAMAHA CORP·Filed 1998·Granted Dec 7, 1999·12 cites·4 claims
- 1346US2009074211A1Capacitor microphone and method for manufacturing capacitor microphoneYAMAHA CORP·Filed 2006·Application pending·0 cites
- 1446US2007121972A1Capacitor microphone and diaphragm thereforYAMAHA CORP·Filed 2006·Application pending·0 cites
- 1545US2008205668A1Sensitive silicon microphone with wide dynamic rangeYAMAHA CORP·Filed 2008·Application pending·0 cites
- 1644US6083784ASemiconductor device having MOS transistorYAMAHA CORP·Filed 1998·Granted Jul 4, 2000·8 cites·24 claims
- 1741US7075123B2Semiconductor input protection circuitYAMAHA CORP·Filed 2004·Granted Jul 11, 2006·1 cites·4 claims
- 1837US5858868AMethod of manufacturing a laminated wiring structure preventing impurity diffusion therein from N+ and P+ regions in CMOS device with ohmic contactYAMAHA CORP·Filed 1997·Granted Jan 12, 1999·7 cites·28 claims
- 1936US5457070AMethod of forming a step compensated semiconductor deviceYAMAHA CORP·Filed 1993·Granted Oct 10, 1995·8 cites·21 claims
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