Inventor · disambiguated record
Koichi Matsui
Also filed as: MATSUI KOICHI
27 granted patents·7 pending applications·1,794 citations·filing 1979–2015
97Inventor score
Files withOLYMPUS OPTICAL CO16TAKAHASHI RYOICHI3MATSUSHIRO TAKESHI2OLYMPUS CORP2TOKYO SHIBAURA ELECTRIC CO2
Top patents by PatentIndex Score
34 records- 0193US5269289ACavity insert device using fuzzy theoryOLYMPUS OPTICAL CO·Filed 1991·Granted Dec 14, 1993·162 cites·87 claims
- 0293US5255681AUltrasonic wave diagnosing apparatus having an ultrasonic wave transmitting and receiving part transmitting and receiving ultrasonic wavesOLYMPUS OPTICAL CO·Filed 1991·Granted Oct 26, 1993·136 cites·21 claims
- 0393US4507115AMedical capsule deviceOLYMPUS OPTICAL CO·Filed 1984·Granted Mar 26, 1985·452 cites·7 claims
- 0490US4439197AMedical capsule deviceOLYMPUS OPTICAL CO·Filed 1982·Granted Mar 27, 1984·289 cites·5 claims
- 0582US8834712B2Seawater desalination systemKATAYAMA KYOSUKE·Filed 2011·Granted Sep 16, 2014·11 cites·9 claims
- 0680US5025638ADuct type air conditioner and method of controlling the sameTOSHIBA KK·Filed 1990·Granted Jun 25, 1991·65 cites·12 claims
- 0778US5427103AMRI apparatus for receiving nuclear-magnetic resonance signals of a living bodyOLYMPUS OPTICAL CO·Filed 1993·Granted Jun 27, 1995·40 cites·24 claims
- 0876US5099850AUltrasonic diagnostic apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Mar 31, 1992·211 cites·18 claims
- 0975US4426853AAir conditioning systemTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jan 24, 1984·32 cites·7 claims
- 1070US6669629B2Endoscope system comprising an electrically bendable endoscopeOLYMPUS OPTICAL CO·Filed 2002·Granted Dec 30, 2003·51 cites·6 claims
- 1170US4757819AUltrasonic endoscopeOLYMPUS OPTICAL CO·Filed 1987·Granted Jul 19, 1988·97 cites·10 claims
- 1262US6551237B2Centering mechanism for controlling the bending of an electrically bendable endoscope, and an endoscope systemOLYMPUS OPTICAL CO·Filed 2002·Granted Apr 22, 2003·24 cites·6 claims
- 1361US9145310B2Seawater desalination apparatusNAMBA RYO·Filed 2011·Granted Sep 29, 2015·1 cites·7 claims
- 1460US8366610B2Endoscope apparatusOLYMPUS CORP·Filed 2008·Granted Feb 5, 2013·1 cites·11 claims
- 1559US4936307AUltrasonic observation system and an ultrasonic endoscope systemOLYMPUS OPTICAL CO·Filed 1988·Granted Jun 26, 1990·54 cites·28 claims
- 1657US8702978B2Seawater desalination apparatus and chemical injection apparatusYOKOKAWA KATSUYA·Filed 2011·Granted Apr 22, 2014·1 cites·3 claims
- 1756US5063957AMethod of rendering laid pipeline flexible and pipe joint suited for executing this methodYANO GIKEN KK·Filed 1990·Granted Nov 12, 1991·17 cites·2 claims
- 1854US5402788ADiagnostic system using nuclear magnetic resonance phenomenonOLYMPUS OPTICAL CO·Filed 1993·Granted Apr 4, 1995·16 cites·17 claims
- 1953US2013094949A1Power recovery device of liquid processing apparatusTAKAHASHI RYOICHI·Filed 2012·Application pending·0 cites
- 2051US9932250B2Membrane filtration systemTOSHIBA KK·Filed 2015·Granted Apr 3, 2018·0 cites·2 claims
- 2151US4282860AHot air type solar heat-collecting apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Aug 11, 1981·17 cites·9 claims
- 2250US4744359ACautery hemostatic unitOLYMPUS OPTICAL CO·Filed 1987·Granted May 17, 1988·38 cites·9 claims
- 2349US6036475ACyclonic type combustion apparatusTAKUMA CO LD·Filed 1998·Granted Mar 14, 2000·19 cites·6 claims
- 2449US4461558AEndoscopic photographing apparatusOLYMPUS OPTICAL CO·Filed 1982·Granted Jul 24, 1984·4 cites·7 claims
- 2547US4867136AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted Sep 19, 1989·31 cites·36 claims
- 2645US2012061300A1Membrane filtration systemMATSUSHIRO TAKESHI·Filed 2011·Application pending·0 cites
- 2742US2011062063A1Power recovery apparatusTAKAHASHI RYOICHI·Filed 2010·Application pending·0 cites
- 2842US2011073203A1Flow channel switching deviceNAGASHIMA FUMIHIDE·Filed 2010·Application pending·0 cites
- 2941US2011066979A1Nondestructive testing apparatusOLYMPUS CORP·Filed 2010·Application pending·0 cites
- 3039US4568858ALamp control circuitOLYMPUS OPTICAL CO·Filed 1983·Granted Feb 4, 1986·6 cites·12 claims
- 3138US2011056878A1Membrane filtration systemMATSUSHIRO TAKESHI·Filed 2010·Application pending·0 cites
- 3237US5129681AMethod of rendering laid pipeline flexible and pipe joint suited for executing this methodYANO GIKEN KK·Filed 1991·Granted Jul 14, 1992·9 cites·2 claims
- 3337US2011062062A1Power recovery apparatusTAKAHASHI RYOICHI·Filed 2010·Application pending·0 cites
- 3435US4590924AEndoscope systemOLYMPUS OPTICAL CO·Filed 1984·Granted May 27, 1986·10 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Matsui 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 →