Inventor · disambiguated record
Masashi Maruyama
Also filed as: MARUYAMA MASASHI
22 granted patents·18 pending applications·265 citations·filing 1982–2024
95Inventor score
Files withHITACHI LTD12RENESAS TECH CORP8MARUYAMA MASASHI3MURATA MANUFACTURING CO3GORE W L & ASS CO LTD2
Top patents by PatentIndex Score
40 records- 0186US9402314B2Semiconductor moduleMURATA MANUFACTURING CO·Filed 2013·Granted Jul 26, 2016·7 cites·16 claims
- 0286US8564366B2High-frequency power amplifier deviceNAMIE HISANORI·Filed 2011·Granted Oct 22, 2013·15 cites·18 claims
- 0386US6900694B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2004·Granted May 31, 2005·34 cites·14 claims
- 0485US6914480B2High frequency power amplifier and wireless communication moduleRENESAS TECH CORP·Filed 2004·Granted Jul 5, 2005·29 cites·22 claims
- 0584US6753735B2High frequency power amplifier and wireless communication moduleRENESAS TECH CORP·Filed 2002·Granted Jun 22, 2004·30 cites·19 claims
- 0683US6741125B2High frequency power amplifier and wireless communication moduleHITACHI LTD·Filed 2003·Granted May 25, 2004·28 cites·7 claims
- 0782US7224228B2Semiconductor 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
- 0878US7113034B2High frequency power amplifier and wireless communication moduleRENESAS TECH CORP·Filed 2005·Granted Sep 26, 2006·6 cites·3 claims
- 0976US6329879B1High frequency power amplifier system and wireless communication systemHITACHI LTD·Filed 1999·Granted Dec 11, 2001·45 cites·4 claims
- 1070US2024204226A1Membrane electrode assembly manufacturing processGORE W L & ASS GMBH·Filed 2023·Application pending·0 cites
- 1170US2024250272A1Process for the manufacture of a membrane electrode assembly component and membrane electrode assembly component obtainable therebyGORE & ASS·Filed 2024·Application pending·0 cites
- 1268US9825307B2Anode-side catalyst composition for fuel cells, and membrane electrode assembly (MEA) for solid polymer fuel cells which comprises sameMARUYAMA MASASHI·Filed 2011·Granted Nov 21, 2017·2 cites·3 claims
- 1362US6644260B2Intake manifoldHONDA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·10 cites·14 claims
- 1461US7034617B2Semiconductor 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
- 1561US2022317130A1Preanalysis Treatment Method for Sample, and Sample Pretreatment SystemHITACHI LTD·Filed 2022·Application pending·0 cites
- 1659US8464576B2Engine oil degradation-estimating device and device for estimating antioxidant performance of engine oilOKUYAMA YOSUKE·Filed 2008·Granted Jun 18, 2013·6 cites·2 claims
- 1759US2024361311A1Control slide glass for pathological examination and method for manufacturing sameHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 1858US10158124B2Fuel cell electrode catalyst and method for activating catalystGORE W L & ASS CO LTD·Filed 2014·Granted Dec 18, 2018·0 cites·13 claims
- 1957US7262480B2Semiconductor device, and method and apparatus for manufacturing semiconductor deviceAKITA ELECTRONICS CO LTD·Filed 2001·Granted Aug 28, 2007·13 cites·6 claims
- 2056US12244276B2Power amplifier circuitMURATA MANUFACTURING CO·Filed 2022·Granted Mar 4, 2025·0 cites·13 claims
- 2156US2023416301A1Method for analyzing proteinMARUYAMA MASASHI·Filed 2023·Application pending·0 cites
- 2252US2023104790A1Method for Evaluating Sample Containing Cell Support-Derived ComponentsSHOWA DENKO MATERIALS CO LTD·Filed 2020·Application pending·0 cites
- 2352US2020360566A1Immunoisolation deviceHITACHI LTD·Filed 2018·Application pending·0 cites
- 2452US2020318059A1Automatic culture system, and cell culture methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 2550US7064612B2High frequency power amplification electric part and wireless communication systemAKITA ELECTRONICS SYSTEMS CO L·Filed 2003·Granted Jun 20, 2006·7 cites·16 claims
- 2650US6731167B2High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2001·Granted May 4, 2004·3 cites·14 claims
- 2750US2022211899A1Peptide exhibiting excellent adhesion to resins and biocompatible functional material using sameHITACHI LTD·Filed 2020·Application pending·0 cites
- 2848US2020299744A1Modified protein and method for using sameHITACHI LTD·Filed 2019·Application pending·0 cites
- 2947US10109878B2Electrolyte film for fuel cellGORE W L & ASS CO LTD·Filed 2015·Granted Oct 23, 2018·0 cites·12 claims
- 3047US2005206456A1High frequency power amplifier module and wireless communication apparatusRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 3144US4413703ABass-reflex type speaker systemKENWOOD CORP·Filed 1982·Granted Nov 8, 1983·13 cites·6 claims
- 3243US10898878B2Adsorbent materialSHOWA DENKO MATERIALS CO LTD·Filed 2017·Granted Jan 26, 2021·0 cites·10 claims
- 3338US7275874B2Optical connector for connecting optical fibers to one anotherJAPAN AVIATION ELECTRON·Filed 2004·Granted Oct 2, 2007·0 cites·4 claims
- 3438US2002024392A1High frequency power amplifier system and wireless communication systemHITACHI LTD·Filed 2001·Application pending·0 cites
- 3538US2015344831A1Stimulation-responsive material and cell culture container made thereofHITACHI LTD·Filed 2015·Application pending·0 cites
- 3637US2014254568A1Semiconductor moduleMURATA MANUFACTURING CO·Filed 2014·Application pending·0 cites
- 3737US2020063106A1Cell culture medium, and cell culture apparatus and cell culture method each using sameHITACHI LTD·Filed 2017·Application pending·0 cites
- 3836US2016017059A1AdsorbentHITACHI LTD·Filed 2015·Application pending·0 cites
- 3935US2019039046A1Adsorbent material and purification methodHITACHI LTD·Filed 2017·Application pending·0 cites
- 4034US2012064435A1Anode-Side Catalyst Composition For Fuel Cell and Membrane Electrode Assembly (MEA) For Solid Polymer-Type Fuel CellMARUYAMA MASASHI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →