Inventor · disambiguated record
Hitoshi Akamine
Also filed as: AKAMINE HITOSHI
36 granted patents·6 pending applications·675 citations·filing 1989–2021
98Inventor score
Files withRENESAS TECH CORP19HITACHI LTD9MURATA MANUFACTURING CO4HITACHI HYBRID NETWORK CO LTD2HITACHI TOBU SEMICONDUCTOR LTD2
Top patents by PatentIndex Score
42 records- 0193US6483398B2Directional coupler, high frequency circuit module and wireless communication systemHITACHI LTD·Filed 2001·Granted Nov 19, 2002·77 cites·16 claims
- 0292US6765268B2Multiple transistors having a common gate pad between first group of drains and second group of drainsRENESAS TECH CORP·Filed 2002·Granted Jul 20, 2004·51 cites·8 claims
- 0391US7352244B2Electronics parts for high frequency power amplifierRENESAS TECH CORP·Filed 2006·Granted Apr 1, 2008·15 cites·10 claims
- 0491US6605999B2High-frequency power amplifier, wireless communication apparatus and wireless communication systemHITACHI LTD·Filed 2001·Granted Aug 12, 2003·57 cites·47 claims
- 0590US6433639B1High frequency power amplifier module and wireless communication systemHITACHI LTD·Filed 2000·Granted Aug 13, 2002·40 cites·10 claims
- 0689US6972640B2Directional coupler, high frequency circuit module and wireless communication systemHITACHI ULSI SYS CO LTD·Filed 2002·Granted Dec 6, 2005·50 cites·21 claims
- 0788US7145394B2High frequency power amplifier module, and wireless communication systemHITACHI TOBU SEMICONDUCTOR LTD·Filed 2005·Granted Dec 5, 2006·12 cites·2 claims
- 0887US7395036B2Semiconductor 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
- 0987US7271662B2High frequency power amplifier circuit and electric component for high frequency power amplifierRENESAS TECH CORP·Filed 2005·Granted Sep 18, 2007·18 cites·10 claims
- 1086US6989600B2Integrated circuit device having reduced substrate size and a method for manufacturing the sameRENESAS TECH CORP·Filed 2001·Granted Jan 24, 2006·45 cites·15 claims
- 1186US6900694B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2004·Granted May 31, 2005·34 cites·14 claims
- 1284US8115234B2Semiconductor deviceNAKAJIMA AKISHIGE·Filed 2009·Granted Feb 14, 2012·17 cites·18 claims
- 1384US7141876B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Nov 28, 2006·8 cites·10 claims
- 1483US6972626B2High frequency power amplification electric part and wireless communication systemHITACHI HYBRID NETWORK CO LTD·Filed 2003·Granted Dec 6, 2005·21 cites·13 claims
- 1582US6919762B2High frequency power amplifier electric parts and radio telecommunication systemRENESAS TECH CORP·Filed 2003·Granted Jul 19, 2005·22 cites·11 claims
- 1680US6617927B2High frequency power amplifier module, and wireless communications systemHITACHI LTD·Filed 2002·Granted Sep 9, 2003·20 cites·12 claims
- 1778US8022537B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Sep 20, 2011·5 cites·3 claims
- 1878US7439622B2Semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted Oct 21, 2008·5 cites·4 claims
- 1977US7139538B2Electronic component for amplifying high frequency power and radio communication systemRENESAS TECH CORP·Filed 2002·Granted Nov 21, 2006·25 cites·17 claims
- 2076US6329879B1High frequency power amplifier system and wireless communication systemHITACHI LTD·Filed 1999·Granted Dec 11, 2001·45 cites·4 claims
- 2175US7650133B2Semiconductor integrated circuit device and high frequency power amplifier moduleRENESAS TECH CORP·Filed 2006·Granted Jan 19, 2010·6 cites·10 claims
- 2275US6992528B2Semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Jan 31, 2006·14 cites·26 claims
- 2372US7050769B2Electronic apparatus and design methodRENESAS TECH CORP·Filed 2002·Granted May 23, 2006·16 cites·4 claims
- 2471US7595694B2Electronics parts for high frequency power amplifierRENESAS TECH CORP·Filed 2008·Granted Sep 29, 2009·6 cites·12 claims
- 2566US11626899B2Radio-frequency signal sending/receiving circuit and radio-frequency signal sending/receiving deviceMURATA MANUFACTURING CO·Filed 2021·Granted Apr 11, 2023·0 cites·13 claims
- 2666US6897728B2High frequency power amplifier module and wireless communication systemHITACHI TOBU SEMICONDUCTOR LTD·Filed 2003·Granted May 24, 2005·9 cites·24 claims
- 2764US6463267B1High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stagesHITACHI LTD·Filed 2000·Granted Oct 8, 2002·13 cites·8 claims
- 2862US12294338B2Output matching circuit and power amplifier circuitMURATA MANUFACTURING CO·Filed 2021·Granted May 6, 2025·0 cites·15 claims
- 2962US11050455B2Radio-frequency signal sending/receiving circuit and radio-frequency signal sending/receiving deviceMURATA MANUFACTURING CO·Filed 2020·Granted Jun 29, 2021·0 cites·20 claims
- 3057US7173492B2High frequency power amplification electric part and wireless communication systemHITACHI HYBRID NETWORK CO LTD·Filed 2005·Granted Feb 6, 2007·1 cites·6 claims
- 3155US6658243B2High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stagesHITACHI LTD·Filed 2002·Granted Dec 2, 2003·7 cites·5 claims
- 3254US12407304B2Power amplifier moduleMURATA MANUFACTURING CO·Filed 2021·Granted Sep 2, 2025·0 cites·19 claims
- 3350US7064612B2High frequency power amplification electric part and wireless communication systemAKITA ELECTRONICS SYSTEMS CO L·Filed 2003·Granted Jun 20, 2006·7 cites·16 claims
- 3450US6731167B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2001·Granted May 4, 2004·3 cites·14 claims
- 3550US5075803ASignal discriminating device for vtr having expanded dynamic rangeHITACHI LTD·Filed 1989·Granted Dec 24, 1991·11 cites·8 claims
- 3647US2005206456A1High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 3746US2006051038A1Electronic apparatus and design methodRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 3845US2007026824A1Electronic component for amplifying high frequency and radio communication systemRENESAS TECH CORP·Filed 2006·Application pending·0 cites
- 3944US6972627B2High frequency power amplifier moduleRENESAS TECH CORP·Filed 2003·Granted Dec 6, 2005·1 cites·17 claims
- 4038US2002024392A1High frequency power amplifier system and wireless communication systemHITACHI LTD·Filed 2001·Application pending·0 cites
- 4134US2005134405A1Electronic device and semiconductor deviceFiled 2004·Application pending·0 cites
- 4220US2007069820A1Electronic parts for high frequency power amplifierHAYATA KANJI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →