Inventor · disambiguated record
Ryoichi Takahashi
Also filed as: HOSOI TAKUJI · TAKAHASHI RYOICHI
37 granted patents·6 pending applications·626 citations·filing 1978–2016
98Inventor score
Top patents by PatentIndex Score
43 records- 0193US7697665B2Rotating anode X-ray tubeTOSHIBA KK·Filed 2009·Granted Apr 13, 2010·22 cites·13 claims
- 0289US5349744AGradient coil and gradient coil unit for MRI and methods of manufacturing the sameTOSHIBA KK·Filed 1992·Granted Sep 27, 1994·49 cites·16 claims
- 0389US4802202ATelephone call selectorSANYO ELECTRIC CO·Filed 1987·Granted Jan 31, 1989·118 cites·5 claims
- 0488US4817133AParty selecting circuit arrangementSANYO ELECTRIC CO·Filed 1987·Granted Mar 28, 1989·108 cites·4 claims
- 0586USD338031SCopying machineCANON KK·Filed 1992·Granted Aug 3, 1993·27 cites·1 claims
- 0683USD318486SCopying machineCANON KK·Filed 1989·Granted Jul 23, 1991·21 cites·1 claims
- 0782US8175974B2Portable storage device and transaction machineTAKAHASHI RYOICHI·Filed 2009·Granted May 8, 2012·10 cites·10 claims
- 0880US5079000AClathrate composition including essential oils and method of using sameKURITA WATER IND LTD·Filed 1989·Granted Jan 7, 1992·36 cites·5 claims
- 0978USD334768SCopying machineCANON KK·Filed 1991·Granted Apr 13, 1993·19 cites·1 claims
- 1078US4840439ADisplay cabinetSANDEN CORP·Filed 1988·Granted Jun 20, 1989·43 cites·21 claims
- 1176USD354304SElectronic copierCANON KK·Filed 1993·Granted Jan 10, 1995·17 cites·1 claims
- 1275US8582722B2Rotary anode X-ray tubeTADOKORO CHIHARU·Filed 2010·Granted Nov 12, 2013·5 cites·2 claims
- 1375US4242196AMass production system of highly aromatic petroleum pitchKUREHA CHEMICAL IND CO LTD·Filed 1978·Granted Dec 30, 1980·22 cites·3 claims
- 1474US10759661B2Ozone generation apparatusTOSHIBA KK·Filed 2016·Granted Sep 1, 2020·1 cites·5 claims
- 1570US9331628B2Motor control circuitSEMICONDUCTOR COMPONENTS IND·Filed 2014·Granted May 3, 2016·2 cites·20 claims
- 1665USD319464SToner case for copying machineCANON KK·Filed 1989·Granted Aug 27, 1991·10 cites·1 claims
- 1765US4811585ADevice for forming asymmetrical articles by rollingNISSAN MOTOR·Filed 1987·Granted Mar 14, 1989·18 cites·12 claims
- 1862US8057214B2Method and apparatus for manufacturing plate-like structureTAKAHASHI RYOICHI·Filed 2009·Granted Nov 15, 2011·0 cites·1 claims
- 1961US2009314648A1Method of manufacturing stamperTOSHIBA KK·Filed 2009·Application pending·0 cites
- 2060US8379358B2Motor control circuitSEMICONDUCTOR COMPONENTS IND·Filed 2009·Granted Feb 19, 2013·4 cites·13 claims
- 2160US4837516ATuning device for nuclear magnetic resonance imaging apparatus and nuclear magnetic resonance imaging apparatus including the tuning deviceTOSHIBA KK·Filed 1988·Granted Jun 6, 1989·15 cites·10 claims
- 2255US8755557B2Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragmFUJITANI TAKESHI·Filed 2011·Granted Jun 17, 2014·2 cites·7 claims
- 2355US7803304B2Method and apparatus for manufacturing plate-like structureTOSHIBA KK·Filed 2005·Granted Sep 28, 2010·0 cites·4 claims
- 2455US2005177497A1Portable storage device and transaction machineFUJITSU LTD·Filed 2005·Application pending·0 cites
- 2553US5063933AMagnetic resonance imaging apparatusTOSHIBA KK·Filed 1990·Granted Nov 12, 1991·15 cites·12 claims
- 2653US2013094949A1Power recovery device of liquid processing apparatusTAKAHASHI RYOICHI·Filed 2012·Application pending·0 cites
- 2752US5469131AHybrid integrated circuit deviceSANYO ELECTRIC CO·Filed 1993·Granted Nov 21, 1995·20 cites·18 claims
- 2850US10421177B2Extraction device and retaining deviceTOSHIBA KK·Filed 2014·Granted Sep 24, 2019·0 cites·12 claims
- 2949US9309118B2Ozone generating apparatusTOSHIBA KK·Filed 2013·Granted Apr 12, 2016·0 cites·6 claims
- 3049USD329056SCopying machineCANON KK·Filed 1990·Granted Sep 1, 1992·6 cites·1 claims
- 3145US4996220AMethod of producing a clathrate compoundKURITA WATER IND LTD·Filed 1990·Granted Feb 26, 1991·2 cites·5 claims
- 3244US5082654AClathrate compound and process for stabilizing diethyltoluamideKURITA WATER IND LTD·Filed 1989·Granted Jan 21, 1992·8 cites·4 claims
- 3344US4973700AMethod of purifying a microbicideKURITA WATER IND LTD·Filed 1989·Granted Nov 27, 1990·2 cites·9 claims
- 3442US5133969AAntimicrobial dispersion compositionKURITA WATER IND LTD·Filed 1990·Granted Jul 28, 1992·3 cites·5 claims
- 3542US2011062063A1Power recovery apparatusTAKAHASHI RYOICHI·Filed 2010·Application pending·0 cites
- 3642US2011073203A1Flow channel switching deviceNAGASHIMA FUMIHIDE·Filed 2010·Application pending·0 cites
- 3739US8791660B2Motor control circuitTAKAHASHI RYOICHI·Filed 2009·Granted Jul 29, 2014·0 cites·7 claims
- 3839US5060497AMethod of forming asymmetrical articles by rollingNISSAN MOTOR·Filed 1990·Granted Oct 29, 1991·6 cites·13 claims
- 3938US10144643B2Ozone generation deviceTOSHIBA KK·Filed 2015·Granted Dec 4, 2018·0 cites·10 claims
- 4038US5036087AClathrate compoundKURITA WATER IND LTD·Filed 1989·Granted Jul 30, 1991·1 cites·2 claims
- 4137US2011062062A1Power recovery apparatusTAKAHASHI RYOICHI·Filed 2010·Application pending·0 cites
- 4233US4744611ADisplay cabinetSANDEN CORP·Filed 1986·Granted May 17, 1988·9 cites·9 claims
- 4326US5191736ACabinet with door sealSANDEN CORP·Filed 1991·Granted Mar 9, 1993·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →