Inventor · disambiguated record
Masaaki Itoh
Also filed as: ISHIKAWA YUICHI · ITOH MASAAKI
31 granted patents·5 pending applications·698 citations·filing 1975–2023
97Inventor score
Top patents by PatentIndex Score
36 records- 0196US4044797AHeat transfer pipeHITACHI LTD·Filed 1975·Granted Aug 30, 1977·88 cites·11 claims
- 0292US5803165AHeat exchangerHITACHI LTD·Filed 1996·Granted Sep 8, 1998·72 cites·5 claims
- 0386US7092692B2Threshold voltage (Vth), power supply (VDD), and temperature compensation bias circuit for CMOS passive mixerOKI TECHNO CT SINGAPORE PTE·Filed 2003·Granted Aug 15, 2006·29 cites·25 claims
- 0486US5806761ACombination faucet deviceTOTO LTD·Filed 1996·Granted Sep 15, 1998·43 cites·7 claims
- 0584US6910683B2Fluid-sealed anti-vibration deviceNISSAN MOTOR·Filed 2003·Granted Jun 28, 2005·30 cites·15 claims
- 0684US4469167AHeat exchanger finHITACHI LTD·Filed 1981·Granted Sep 4, 1984·42 cites·4 claims
- 0781US6018963ARefrigeration cycleHITACHI LTD·Filed 1998·Granted Feb 1, 2000·50 cites·6 claims
- 0879US5181392AAir conditioner and heat exchanger used thereinHITACHI LTD·Filed 1991·Granted Jan 26, 1993·49 cites·17 claims
- 0978US5360060AFin-tube type heat exchangerHITACHI LTD·Filed 1992·Granted Nov 1, 1994·45 cites·8 claims
- 1076US7807985B2Ion beam inspection apparatus, ion beam inspecting method, semiconductor manufacturing apparatus, and ion source apparatusSEIKO INSTR INC·Filed 2008·Granted Oct 5, 2010·5 cites·19 claims
- 1176US6557836B2Liquid-filled type vibration isolating device and manufacturing method thereofTOYO TIRE & RUBBER CO·Filed 2001·Granted May 6, 2003·18 cites·17 claims
- 1272US4469168AFin assembly for heat exchangersHITACHI LTD·Filed 1981·Granted Sep 4, 1984·31 cites·5 claims
- 1365US6050328AHeat exchanger and air conditioner using sameHITACHI LTD·Filed 1998·Granted Apr 18, 2000·27 cites·10 claims
- 1458US6412549B1Heat transfer pipe for refrigerant mixtureHITACHI LTD·Filed 1995·Granted Jul 2, 2002·19 cites·4 claims
- 1558US4211276AMethod of making fin elements for heat exchangersHITACHI LTD·Filed 1978·Granted Jul 8, 1980·19 cites·9 claims
- 1657US5542271AAir-conditioner employing non-azeotrope refrigerantHITACHI LTD·Filed 1994·Granted Aug 6, 1996·29 cites·7 claims
- 1756US4593756AFin-and-tube type heat exchangerHITACHI LTD·Filed 1985·Granted Jun 10, 1986·19 cites·2 claims
- 1855US5838099ADeflection yoke having first coil parts for correction of cross-misconverge and red/blue vertical misconvergeVICTOR COMPANY OF JAPAN·Filed 1997·Granted Nov 17, 1998·13 cites·8 claims
- 1953US2023202703A1Container and containing bodyITOH MASAAKI·Filed 2023·Application pending·0 cites
- 2048US4687321AMark detection apparatus for a micro-roll filmMINOLTA CAMERA KK·Filed 1985·Granted Aug 18, 1987·13 cites·3 claims
- 2146USD773700SHeadlight for an automobilePANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 6, 2016·4 cites·1 claims
- 2245US7516947B2Liquid-sealed vibration control equipment and elastic partition film for use thereinTOYO TIRE & RUBBER CO·Filed 2004·Granted Apr 14, 2009·2 cites·5 claims
- 2344US6349926B1Liquid-sealed vibration insulator and method for producing sameKINUGAWA RUBBER IND·Filed 1999·Granted Feb 26, 2002·10 cites·15 claims
- 2442US6233297B1Plesiochronous digital hierarchy low speed signal switching digital phase-locked loop systemNEC COPORATION·Filed 1998·Granted May 15, 2001·10 cites·4 claims
- 2542US2002070011A1Heat transfer pipe for refrigerant mixtureFiled 2002·Application pending·0 cites
- 2638USD743059SLight-emitting diode lampPANASONIC CORP·Filed 2014·Granted Nov 10, 2015·4 cites·1 claims
- 2738US5738275ACombination faucet deviceTOTO LTD·Filed 1996·Granted Apr 14, 1998·8 cites·21 claims
- 2838US2002158388A1Control type liquid seal vibration control deviceFiled 2001·Application pending·0 cites
- 2936US5604774AFully secondary DPLL and destuffing circuit employing sameNEC CORP·Filed 1995·Granted Feb 18, 1997·7 cites·4 claims
- 3036US2003141571A1Semiconductor device and manufacturing method thereofFiled 2003·Application pending·0 cites
- 3134US6680658B2Modulation circuit for wireless installationOKI TECHNO CT SINGAPORE PTE·Filed 2002·Granted Jan 20, 2004·0 cites·19 claims
- 3234US5949106AFET input/output pad layoutOKI ELECTRIC IND CO LTD·Filed 1997·Granted Sep 7, 1999·5 cites·18 claims
- 3332US5886372ASemiconductor device having two composite field effect transistorsOKI ELECTRIC IND CO LTD·Filed 1997·Granted Mar 23, 1999·2 cites·15 claims
- 3432US5841226ADeflection yokeVICTOR COMPANY OF JAPAN·Filed 1997·Granted Nov 24, 1998·2 cites·8 claims
- 3531US5715286ADigital phase synchronous circuit and data receiving circuit including the sameNEC CORP·Filed 1996·Granted Feb 3, 1998·3 cites·16 claims
- 3627US2004043748A1Receiver and a signal processing circuit thereforFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →