Inventor · disambiguated record
Masumi Kasahara
Also filed as: KASAHARA MASUMI
35 granted patents·5 pending applications·684 citations·filing 1986–2013
98Inventor score
Files withRENESAS TECH CORP18HITACHI LTD6TTP COM LTD3TTP COMMUNICATIONS LTD3RENESAS ELECTRONICS CORP2
Top patents by PatentIndex Score
40 records- 0197US7298600B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2005·Granted Nov 20, 2007·73 cites·12 claims
- 0296US7269402B2PLL circuit having a multi-band oscillator and compensating oscillation frequencyTTP COM LTD·Filed 2006·Granted Sep 11, 2007·37 cites·2 claims
- 0393US6826388B1Mobile communication apparatus including dividers in transmitter and receiverRENESAS TECH CORP·Filed 2000·Granted Nov 30, 2004·49 cites·8 claims
- 0492US7583215B2Semiconductor integrated circuitRENESAS TECH CORP·Filed 2008·Granted Sep 1, 2009·38 cites·23 claims
- 0592US7103337B2PLL circuit having a multi-band oscillator and compensating oscillation frequencyTTP COM LTD·Filed 2003·Granted Sep 5, 2006·55 cites·7 claims
- 0692US7035069B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2003·Granted Apr 25, 2006·49 cites·20 claims
- 0792US6714772B2Wireless communication systemRENESAS TECH CORP·Filed 2001·Granted Mar 30, 2004·43 cites·11 claims
- 0890US7148764B2Communication semiconductor integrated circuit device and a wireless communication systemTTP COMMUNICATIONS LTD·Filed 2002·Granted Dec 12, 2006·45 cites·10 claims
- 0989US8107912B2Mobile communication apparatusTANAKA SATOSHI·Filed 2010·Granted Jan 31, 2012·6 cites·2 claims
- 1088US7426377B2Sigma delta (ΣΔ) transmitter circuits and transceiver using the sameRENESAS TECH CORP·Filed 2005·Granted Sep 16, 2008·16 cites·10 claims
- 1184US7020444B2High frequency semiconductor integrated circuit and radio communication systemRENESAS TECH CORP·Filed 2003·Granted Mar 28, 2006·33 cites·10 claims
- 1283US7263340B2PLL circuit having a multi-band oscillator and compensating oscillation frequencyTTP COM LTD·Filed 2006·Granted Aug 28, 2007·12 cites·4 claims
- 1383US6783073B2Image input systemRENESAS TECH CORP·Filed 2002·Granted Aug 31, 2004·20 cites·10 claims
- 1481US6900700B2Communication semiconductor integrated circuit and radio communication systemTTP COMMUNICATIONS LTD·Filed 2003·Granted May 31, 2005·21 cites·10 claims
- 1580US6665159B2Semiconductor integrated circuit deviceHITACHI LTD·Filed 2001·Granted Dec 16, 2003·20 cites·11 claims
- 1678US7885626B2Mobile communication apparatusRENESAS TECH CORP·Filed 2008·Granted Feb 8, 2011·5 cites·2 claims
- 1777US7146143B2Communication semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2003·Granted Dec 5, 2006·18 cites·22 claims
- 1876US8686885B2Semiconductor integrated circuit deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted Apr 1, 2014·7 cites·20 claims
- 1968US6597191B2Semiconductor integrated circuit deviceHITACHI LTD·Filed 2002·Granted Jul 22, 2003·11 cites·10 claims
- 2067US7301405B2Phase locked loop circuitRENESAS TECH CORP·Filed 2005·Granted Nov 27, 2007·5 cites·11 claims
- 2167US7278577B2Image input systemHITACHI TOBU SEMICONDUCTOR LTD·Filed 2004·Granted Oct 9, 2007·6 cites·1 claims
- 2266US6917213B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2003·Granted Jul 12, 2005·10 cites·9 claims
- 2365US4804940AResistor and electron device employing the sameHITACHI LTD·Filed 1986·Granted Feb 14, 1989·17 cites·16 claims
- 2463US7313369B2Communication semiconductor integrated circuit and radio communication systemRENESAS TECH CORP·Filed 2005·Granted Dec 25, 2007·2 cites·5 claims
- 2563US6499663B1Image input systemHITACHI LTD·Filed 1997·Granted Dec 31, 2002·28 cites·8 claims
- 2662US5247301AAnalog-to-digital conversion method and apparatus with a controlled switch for high-speed conversionHITACHI LTD·Filed 1991·Granted Sep 21, 1993·23 cites·48 claims
- 2761US7366489B2Mobile communication apparatusTTP COMMUNICATIONS LTD·Filed 2003·Granted Apr 29, 2008·4 cites·2 claims
- 2860US7414821B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2007·Granted Aug 19, 2008·1 cites·6 claims
- 2960US7242916B2Communication semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2006·Granted Jul 10, 2007·3 cites·10 claims
- 3058US7224948B1Transmitter and radio communication terminal using the sameTTP COMM LTD·Filed 2000·Granted May 29, 2007·9 cites·14 claims
- 3158US7162216B2Wireless communication systemRENESAS TECH CORP·Filed 2004·Granted Jan 9, 2007·7 cites·9 claims
- 3252US7800452B2Phase locked loop circuitRENESAS ELECTRONICS CORP·Filed 2007·Granted Sep 21, 2010·0 cites·18 claims
- 3351US5684486AFlash A/D converterHITACHI LTD·Filed 1996·Granted Nov 4, 1997·10 cites·7 claims
- 3448US7504903B2Communication semiconductor integrated circuit device and a wireless communication systemRENESAS TECH CORP·Filed 2006·Granted Mar 17, 2009·1 cites·7 claims
- 3548US2007007347A1Image input systemYAHAGI KOUICHI·Filed 2006·Application pending·0 cites
- 3642US2007087716A1Wireless communication systemKASAHARA MASUMI·Filed 2006·Application pending·0 cites
- 3742US2007281651A1Communication semiconductor integrated circuit device and wireless communication systemOOSAWA HIROTAKA·Filed 2007·Application pending·0 cites
- 3841US2006148416A1Semiconductor integrated circuit device and wireless communication systemHARASAWA YOSHIAKI·Filed 2006·Application pending·0 cites
- 3935US7515648B2Transmitter and wireless communication apparatus using sameRENESAS TECH CORP·Filed 2004·Granted Apr 7, 2009·0 cites·1 claims
- 4033US2006114074A1Semiconductor integrated circuit for communication incorporating oscillator, communication system, and method for manufacturing the semiconductor integrated circuitMATSUI TOSHIKI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →