Inventor · disambiguated record
Kyoichi Takahashi
Also filed as: TAKAHASHI KYOICHI
18 granted patents·4 pending applications·285 citations·filing 1981–2023
95Inventor score
Files withRENESAS TECH CORP8HITACHI LTD3HITACHI HYBRID NETWORK CO LTD2ABE TADAYUKI1FUJISAWA YASUNORI1
Top patents by PatentIndex Score
22 records- 0192US7333564B2High frequency power amplifier circuitRENESAS TECH CORP·Filed 2004·Granted Feb 19, 2008·59 cites·12 claims
- 0291US7352244B2Electronics parts for high frequency power amplifierRENESAS TECH CORP·Filed 2006·Granted Apr 1, 2008·15 cites·10 claims
- 0388US7738845B2Electronic parts for high frequency power amplifier and wireless communication deviceRENESAS TECHNOLOGY·Filed 2006·Granted Jun 15, 2010·17 cites·8 claims
- 0487US7395036B2Semiconductor integrated circuit for high frequency power amplifier and electric components with the semiconductor integrated circuitRENESAS TECH CORP·Filed 2005·Granted Jul 1, 2008·14 cites·11 claims
- 0587US7271662B2High frequency power amplifier circuit and electric component for high frequency power amplifierRENESAS TECH CORP·Filed 2005·Granted Sep 18, 2007·18 cites·10 claims
- 0683US8217716B2Bias circuit, high-power amplifier, and portable information terminalTANAKA SATOSHI·Filed 2010·Granted Jul 10, 2012·9 cites·7 claims
- 0783US6972626B2High frequency power amplification electric part and wireless communication systemHITACHI HYBRID NETWORK CO LTD·Filed 2003·Granted Dec 6, 2005·21 cites·13 claims
- 0882US7224228B2Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication systemRENESAS TECH CORP·Filed 2006·Granted May 29, 2007·8 cites·6 claims
- 0982US6919762B2High frequency power amplifier electric parts and radio telecommunication systemRENESAS TECH CORP·Filed 2003·Granted Jul 19, 2005·22 cites·11 claims
- 1071US7595694B2Electronics parts for high frequency power amplifierRENESAS TECH CORP·Filed 2008·Granted Sep 29, 2009·6 cites·12 claims
- 1163US5689814ARadio communication apparatus with expanded dynamic rangeHITACHI LTD·Filed 1994·Granted Nov 18, 1997·65 cites·17 claims
- 1261US7034617B2Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication systemRENESAS TECH CORP·Filed 2004·Granted Apr 25, 2006·9 cites·13 claims
- 1357US7173492B2High frequency power amplification electric part and wireless communication systemHITACHI HYBRID NETWORK CO LTD·Filed 2005·Granted Feb 6, 2007·1 cites·6 claims
- 1456US7994860B2Electronic component for high frequency power amplificationRENESAS ELECTRONICS CORP·Filed 2009·Granted Aug 9, 2011·1 cites·9 claims
- 1555US2023401888A1Contactless biometric authentication device, contactless biometric authentication system and contactless biometric authentication methodHITACHI IND & CONTROL SOLUTIONS LTD·Filed 2023·Application pending·0 cites
- 1654US8244006B2Finger vein image inputting device and apparatus using the sameYOKOYAMA SHINGO·Filed 2008·Granted Aug 14, 2012·4 cites·24 claims
- 1748US8396258B2Finger vein pattern inputting deviceFUJISAWA YASUNORI·Filed 2007·Granted Mar 12, 2013·3 cites·12 claims
- 1848US4364082APhase detection circuit and automatic tint control circuit of color television receiver utilizing the sameHITACHI LTD·Filed 1981·Granted Dec 14, 1982·8 cites·4 claims
- 1939US4349834AChroma signal gain control circuitHITACHI LTD·Filed 1981·Granted Sep 14, 1982·5 cites·10 claims
- 2039US2008075331A1Finger vein authentication input apparatusSAKURAI SOICHI·Filed 2007·Application pending·0 cites
- 2137US2011021891A1Non-invasive glucose monitorHITACHI MEDIA ELECTRON KK·Filed 2010·Application pending·0 cites
- 2235US2011150304A1Personal authentication apparatus and mobile communication terminalABE TADAYUKI·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →