Inventor · disambiguated record
Tetsuaki Adachi
Also filed as: ADACHI TETSUAKI
42 granted patents·5 pending applications·773 citations·filing 1994–2020
98Inventor score
Files withHITACHI LTD14RENESAS TECH CORP14MURATA MANUFACTURING CO10HITACHI TOBU SEMICONDUCTOR LTD5HITACHI ULSI SYS CO LTD1
Top patents by PatentIndex Score
47 records- 0194US6492872B1High frequency power amplifying module and wireless communication apparatusHITACHI LTD·Filed 2000·Granted Dec 10, 2002·68 cites·8 claims
- 0294US6172567B1Radio communication apparatus and radio frequency power amplifierHITACHI LTD·Filed 1999·Granted Jan 9, 2001·85 cites·38 claims
- 0393US6636114B2High frequency power amplifier module and wireless communication apparatusHITACHI LTD·Filed 2001·Granted Oct 21, 2003·68 cites·37 claims
- 0492US6765268B2Multiple 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
- 0591US6605999B2High-frequency power amplifier, wireless communication apparatus and wireless communication systemHITACHI LTD·Filed 2001·Granted Aug 12, 2003·57 cites·47 claims
- 0690US6433639B1High frequency power amplifier module and wireless communication systemHITACHI LTD·Filed 2000·Granted Aug 13, 2002·40 cites·10 claims
- 0789US10171036B2Power amplification circuitMURATA MANUFACTURING CO·Filed 2017·Granted Jan 1, 2019·6 cites·14 claims
- 0888US7145394B2High frequency power amplifier module, and wireless communication systemHITACHI TOBU SEMICONDUCTOR LTD·Filed 2005·Granted Dec 5, 2006·12 cites·2 claims
- 0988US6330165B1Semiconductor deviceHITACHI LTD·Filed 1999·Granted Dec 11, 2001·74 cites·25 claims
- 1088US5574993AMobile communication apparatus and methodHITACHI LTD·Filed 1994·Granted Nov 12, 1996·57 cites·14 claims
- 1186US6900694B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2004·Granted May 31, 2005·34 cites·14 claims
- 1284US7141876B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Nov 28, 2006·8 cites·10 claims
- 1382US7123094B2High frequency power amplifier circuit and radio communication systemRENESAS TECH CORP·Filed 2004·Granted Oct 17, 2006·19 cites·10 claims
- 1481US7116173B2High-frequency power amplifier circuit and electronic part for communicationRENESAS TECH CORP·Filed 2002·Granted Oct 3, 2006·23 cites·11 claims
- 1580US6617927B2High frequency power amplifier module, and wireless communications systemHITACHI LTD·Filed 2002·Granted Sep 9, 2003·20 cites·12 claims
- 1678US10256848B2Communication unitMURATA MANUFACTURING CO·Filed 2017·Granted Apr 9, 2019·2 cites·18 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
- 1977US7525813B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Apr 28, 2009·6 cites·16 claims
- 2077US7139538B2Electronic component for amplifying high frequency power and radio communication systemRENESAS TECH CORP·Filed 2002·Granted Nov 21, 2006·25 cites·17 claims
- 2175US6992528B2Semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Jan 31, 2006·14 cites·26 claims
- 2274US6489680B2Semiconductor deviceHITACHI LTD·Filed 2001·Granted Dec 3, 2002·15 cites·4 claims
- 2372US10020786B2Power amplification moduleMURATA MANUFACTURING CO·Filed 2016·Granted Jul 10, 2018·2 cites·7 claims
- 2472US7336132B2High-frequency power amplifier circuit and electronic part for communicationRENESAS TECH CORP·Filed 2006·Granted Feb 26, 2008·6 cites·9 claims
- 2572US7180373B2High frequency power amplifier module and semiconductor integrated circuit deviceHITACHI ULSI SYS CO LTD·Filed 2004·Granted Feb 20, 2007·19 cites·4 claims
- 2669US11264952B2Power amplification circuitMURATA MANUFACTURING CO·Filed 2020·Granted Mar 1, 2022·0 cites·3 claims
- 2768US10819286B2Power amplification circuitMURATA MANUFACTURING CO·Filed 2018·Granted Oct 27, 2020·1 cites·8 claims
- 2867US6384686B2Radio communication apparatus and radio frequency power amplifierHITACHI LTD·Filed 2001·Granted May 7, 2002·8 cites·26 claims
- 2967US6288612B1Radio communication apparatus and radio frequency power amplifierHITACHI LTD·Filed 2000·Granted Sep 11, 2001·8 cites·11 claims
- 3066US6897728B2High frequency power amplifier module and wireless communication systemHITACHI TOBU SEMICONDUCTOR LTD·Filed 2003·Granted May 24, 2005·9 cites·24 claims
- 3164US6463267B1High 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
- 3262US10944438B2Communication unitMURATA MANUFACTURING CO·Filed 2019·Granted Mar 9, 2021·0 cites·17 claims
- 3361US10965325B2Communication unitMURATA MANUFACTURING CO·Filed 2019·Granted Mar 30, 2021·0 cites·10 claims
- 3461US7068521B2Semiconductor deviceHITACHI TOBU SEMICONDUCTOR LTD·Filed 2005·Granted Jun 27, 2006·1 cites·10 claims
- 3558US10256849B2Communication unitMURATA MANUFACTURING CO·Filed 2017·Granted Apr 9, 2019·0 cites·13 claims
- 3655US6658243B2High 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
- 3753US7817437B2Semiconductor deviceRENENSAS ELECTRONICS CORP·Filed 2009·Granted Oct 19, 2010·0 cites·7 claims
- 3853US7227415B2High frequency power amplifier circuit and radio communication systemRENESAS TECH CORP·Filed 2006·Granted Jun 5, 2007·2 cites·8 claims
- 3952US11398805B2Power amplification moduleMURATA MANUFACTURING CO·Filed 2018·Granted Jul 26, 2022·0 cites·15 claims
- 4050US6731167B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2001·Granted May 4, 2004·3 cites·14 claims
- 4150US2007001300A1Semiconductor deviceHITACHI TOBU SEMICONDUCTOR LTD·Filed 2006·Application pending·0 cites
- 4247US2005206456A1High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 4345US2007026824A1Electronic component for amplifying high frequency and radio communication systemRENESAS TECH CORP·Filed 2006·Application pending·0 cites
- 4442US8295057B2Semiconductor deviceKOHJIRO IWAMICHI·Filed 2010·Granted Oct 23, 2012·0 cites·10 claims
- 4542US2003054780A1High frequency power amplifying circuit, and mobile communication apparatus using itHITACHI LTD·Filed 2002·Application pending·0 cites
- 4640US6943441B2Semiconductor deviceHITACHI TOBU SEMICONDUCTOR LTD·Filed 2002·Granted Sep 13, 2005·0 cites·16 claims
- 4734US2018006608A1Bias circuitMURATA MANUFACTURING CO·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →