Inventor · disambiguated record
Eiji Kuwahara
Also filed as: KUWAHARA EIJI
32 granted patents·14 pending applications·571 citations·filing 1981–2025
97Inventor score
Top patents by PatentIndex Score
46 records- 0198US9887686B2Acoustic wave device, transceiver device, and mobile communication deviceTAIYO YUDEN KK·Filed 2015·Granted Feb 6, 2018·29 cites·11 claims
- 0293US4620424AMethod of controlling refrigeration cycleTOSHIBA KK·Filed 1984·Granted Nov 4, 1986·77 cites·9 claims
- 0389US10117017B2Headphone and acoustic characteristic adjustment methodSONY CORP·Filed 2017·Granted Oct 30, 2018·5 cites·21 claims
- 0489US10028049B2HeadphonesSONY CORP·Filed 2015·Granted Jul 17, 2018·10 cites·20 claims
- 0587US9838777B2Headphone and acoustic characteristic adjustment methodSONY CORP·Filed 2014·Granted Dec 5, 2017·8 cites·21 claims
- 0687US8110059B2Three-dimensional decoration piece made of synthetic resin and method of manufacturing the sameKUWAHARA EIJI·Filed 2005·Granted Feb 7, 2012·11 cites·1 claims
- 0785US4471622ARankine cycle apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Sep 18, 1984·38 cites·4 claims
- 0880US8859461B2Dye migration preventing decoration pieces made of thermoplastic synthetic resinKUWAHARA EIJI·Filed 2010·Granted Oct 14, 2014·3 cites·11 claims
- 0978US5143672AMethod for forming emblem of thermoplastic synthetic resin filmKUWAHARA EIJI·Filed 1988·Granted Sep 1, 1992·38 cites·14 claims
- 1078US4658596ARefrigerating apparatus with single compressor and multiple evaporatorsTOSHIBA KK·Filed 1985·Granted Apr 21, 1987·46 cites·5 claims
- 1176US2025377384A1Magnetic sensor chip and magnetic sensor moduleROHM CO LTD·Filed 2025·Application pending·0 cites
- 1275US5599416AThermally transferable type emblem made of thermoplastic synthetic resin and method of manufacturing the sameFiled 1995·Granted Feb 4, 1997·31 cites·5 claims
- 1374US12172460B2Three-dimensional decorative piece made of thermoplastic synthetic resin and method for producing the sameKURODA TAKESHI·Filed 2022·Granted Dec 24, 2024·0 cites·2 claims
- 1473US5050396AMulti-system air conditioning machineTOSHIBA KK·Filed 1990·Granted Sep 24, 1991·51 cites·11 claims
- 1566US5046325ARefrigerating circuit apparatus with two stage compressor and heat storage tankTOSHIBA KK·Filed 1990·Granted Sep 10, 1991·26 cites·14 claims
- 1665US11503403B2Sound output deviceSONY CORP·Filed 2019·Granted Nov 15, 2022·1 cites·12 claims
- 1764US2024243208A1Optical element deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 1864US2020384797A1Three-dimensional decorative piece made of thermoplastic synthetic resin and method for producing the sameKURODA TAKESHI·Filed 2017·Application pending·0 cites
- 1964US2024234595A1Optical element deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 2061US5009077AMulti-system air conditionerTOSHIBA KK·Filed 1990·Granted Apr 23, 1991·32 cites·9 claims
- 2160US10894367B2Method and apparatus for producing three-dimensional decoration piece made of thermoplastic synthetic resinKURODA NUBUO·Filed 2017·Granted Jan 19, 2021·0 cites·4 claims
- 2259US5589022AMethod of manufacturing emblem of thermoplastic synthetic resin sheetFiled 1995·Granted Dec 31, 1996·19 cites·12 claims
- 2359US2024222353A1Transformer chipROHM CO LTD·Filed 2024·Application pending·0 cites
- 2459US2023402474A1Electronic device and method of manufacturing thereofROHM CO LTD·Filed 2023·Application pending·0 cites
- 2558US2024396527A1Acoustic wave devices and modules comprising sameSANAN JAPAN TECH CORPORATION·Filed 2024·Application pending·0 cites
- 2658US2024210494A1Magnetic detection deviceROHM CO LTD·Filed 2023·Application pending·0 cites
- 2758US2023411273A1Semiconductor deviceROHM CO LTD·Filed 2023·Application pending·0 cites
- 2858US2024219488A1Magnetic detection deviceROHM CO LTD·Filed 2023·Application pending·0 cites
- 2956US4962647ARefrigerating circuit apparatus with two stage compressor and heat storage tankTOSHIBA KK·Filed 1989·Granted Oct 16, 1990·19 cites·9 claims
- 3055US2014332146A1Method and apparatus for producing three-dimensional decoration piece made of thermoplastic synthetic resinKURODA NOBUO·Filed 2014·Application pending·0 cites
- 3152US11738592B2Method for producing a strip of three-dimensional decorative piece made of thermoplastic synthetic resin and apparatus for producing the sameKURODA TAKESHI·Filed 2019·Granted Aug 29, 2023·0 cites·11 claims
- 3252US5317907AAir conditioning apparatus having ambient air-conditioning unit and a plurality of personal air-conditioning units connected to outdoor unitTOSHIBA KK·Filed 1992·Granted Jun 7, 1994·23 cites·14 claims
- 3352US5046323AMulti-system air conditionerTOSHIBA KK·Filed 1990·Granted Sep 10, 1991·22 cites·9 claims
- 3452US2013068376A1Method and apparatus for producing three-dimensional decoration piece made of thermoplastic synthetic resinKUWAHARA EIJI·Filed 2010·Application pending·0 cites
- 3551US5218838AAir conditioning apparatus with indoor units installed on ceiling and floor in roomTOSHIBA KK·Filed 1992·Granted Jun 15, 1993·22 cites·2 claims
- 3650US11718043B2Production method and production device for three-dimensional decorative piece made of thermoplastic synthetic resinKURODA TAKESHI·Filed 2018·Granted Aug 8, 2023·0 cites·2 claims
- 3750US2023101605A1Elastic wave device, moduleSANAN JAPAN TECH CORPORATION·Filed 2022·Application pending·0 cites
- 3850US2017197354A1Method for manufacturing thermoplastic synthetic resin emblem with individual information dateKURODA NOBUO·Filed 2014·Application pending·0 cites
- 3945US10384398B2Device and method for manufacturing emblem with incorporated IC chipKURODA NOBUO·Filed 2014·Granted Aug 20, 2019·0 cites·3 claims
- 4045US5009078AMulti-system air conditioning machineTOSHIBA KK·Filed 1990·Granted Apr 23, 1991·18 cites·11 claims
- 4144US10097160B2Ladder-type filter, duplexer, and moduleTAIYO YUDEN KK·Filed 2016·Granted Oct 9, 2018·0 cites·10 claims
- 4243US11309868B2MultiplexerTAIYO YUDEN KK·Filed 2019·Granted Apr 19, 2022·0 cites·18 claims
- 4343US5297395AAir conditioner using rotary-type heat exchangersTOSHIBA KK·Filed 1993·Granted Mar 29, 1994·15 cites·20 claims
- 4442US5677037AThermally transferable type emblem made of thermoplastic synthetic resin and method of manufacturing the sameFiled 1996·Granted Oct 14, 1997·9 cites·6 claims
- 4538US5520988AThermally transferable type emblem made of thermoplastic synthetic resin and method of manufacturing the sameFiled 1993·Granted May 28, 1996·14 cites·5 claims
- 4630US4386502AHumidity-measuring device for use with an air conditionerTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Jun 7, 1983·4 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Eiji Kuwahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →