Inventor · disambiguated record
Hajime Tanaka
Also filed as: TANAKA HAJIME
55 granted patents·18 pending applications·432 citations·filing 1981–2024
98Inventor score
Files withTOSHIBA KK17KONISHIROKU PHOTO IND8SUMITOMO ELECTRIC INDUSTRIES7CANON MEDICAL SYSTEMS CORP5TANAKA HAJIME4
Top patents by PatentIndex Score
73 records- 0191US7248366B2Method for marking defect and device thereforNIPPON KOKAN KK·Filed 2001·Granted Jul 24, 2007·20 cites·37 claims
- 0289US4987338ACathode ray tube with film on face-plateTOSHIBA KK·Filed 1989·Granted Jan 22, 1991·41 cites·14 claims
- 0388US7677360B2Shock absorbing fabric structuresYKK CORP AMERICA·Filed 2008·Granted Mar 16, 2010·14 cites·12 claims
- 0488US7665575B2Shock absorbing fabric structuresYKK CORP AMERICA·Filed 2006·Granted Feb 23, 2010·14 cites·12 claims
- 0583US7436718B2Semiconductor memory device including fuse detection circuit to determine successful fuse-cutting rate for optical fuse-cutting conditionsELPIDA MEMORY INC·Filed 2006·Granted Oct 14, 2008·18 cites·16 claims
- 0683US7423744B2Method for marking defect and device thereforNIPPON KOKAN KK·Filed 2006·Granted Sep 9, 2008·7 cites·16 claims
- 0780US6249305B1Color image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Jun 19, 2001·66 cites·15 claims
- 0879US7079802B2Fixing device with specific surface roughnessKONICA CORP·Filed 2002·Granted Jul 18, 2006·18 cites·8 claims
- 0975US6865366B2Fixing apparatus equipped with sheet flattenerKONISHIROKU PHOTO IND·Filed 2003·Granted Mar 8, 2005·15 cites·10 claims
- 1071US11378633B2Radio frequency amplifying device and magnetic resonance imaging apparatusCANON MEDICAL SYSTEMS CORP·Filed 2019·Granted Jul 5, 2022·2 cites·7 claims
- 1171US7599052B2Method for marking defect and device thereforNIPPON KOKAN KK·Filed 2008·Granted Oct 6, 2009·2 cites·10 claims
- 1269US6833663B2Fluorescent material layer with metal back, method of forming the fluorescent material layer, and image display deviceTOSHIBA KK·Filed 2001·Granted Dec 21, 2004·7 cites·10 claims
- 1369US6603947B2Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing deviceKONISHIROKU PHOTO IND·Filed 2001·Granted Aug 5, 2003·11 cites·16 claims
- 1469US4423828AGoods discharge mechanism and goods storage and discharge system of automatic vending machineFUJI ELECTRIC CO LTD·Filed 1981·Granted Jan 3, 1984·32 cites·9 claims
- 1568US10606143B2Multimode interferometer, Mach-Zehnder modulation deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 31, 2020·1 cites·13 claims
- 1667US6816699B1Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing deviceKONISHIROKU PHOTO IND·Filed 2003·Granted Nov 9, 2004·10 cites·13 claims
- 1765US12449492B2Cooling deviceCANON MEDICAL SYSTEMS CORP·Filed 2023·Granted Oct 21, 2025·0 cites·8 claims
- 1863US2025076591A1Optical semiconductor element and method of manufacturing optical semiconductor elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1962US7177744B2Elastic support assembly for electric power steering apparatusKOYO SEIKO CO·Filed 2004·Granted Feb 13, 2007·9 cites·20 claims
- 2062US6782232B2Fixing unit for an image forming apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Aug 24, 2004·8 cites·8 claims
- 2161US11353728B2Optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 7, 2022·0 cites·14 claims
- 2259US8382159B2Steering-force transmitting apparatus for vehicleTOYOTA MOTOR CO LTD·Filed 2009·Granted Feb 26, 2013·4 cites·16 claims
- 2359US4854211AAction mechanism of an upright pianoTANAKA INTERNATIONAL CO LTD·Filed 1987·Granted Aug 8, 1989·20 cites·3 claims
- 2458US11048140B2Optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jun 29, 2021·0 cites·8 claims
- 2558US2024419048A1Optical modulator and method of manufacturing an optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 2657US5939821AColor cathode ray tubeTOSHIBA KK·Filed 1996·Granted Aug 17, 1999·13 cites·17 claims
- 2756US11215757B2Spot size converter and manufacturing method of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jan 4, 2022·0 cites·11 claims
- 2856US10794969B2RF circuit, MRI apparatus, and method of monitoring RF pulse powerCANON MEDICAL SYSTEMS CORP·Filed 2019·Granted Oct 6, 2020·0 cites·13 claims
- 2955US12326643B2Light modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jun 10, 2025·0 cites·17 claims
- 3055US11047937B2Radio frequency power supply and magnetic resonance imaging apparatusCANON MEDICAL SYSTEMS CORP·Filed 2019·Granted Jun 29, 2021·0 cites·12 claims
- 3155US8201657B2Steering apparatus for vehicleYAMAKAWA TOMONARI·Filed 2009·Granted Jun 19, 2012·3 cites·10 claims
- 3255US8100222B2Steering apparatusTANAKA HAJIME·Filed 2008·Granted Jan 24, 2012·3 cites·10 claims
- 3354US7166956B2Metal back-carrying fluorescent surface, metal back forming transfer film and image display unitFUJI PIGMENT·Filed 2002·Granted Jan 23, 2007·3 cites·9 claims
- 3454US5602629AImage forming apparatus with a purge control meansKONISHIROKU PHOTO IND·Filed 1995·Granted Feb 11, 1997·11 cites·21 claims
- 3554US5045750AColor picture tube having a phosphor screen with a semitransparent black light absorptionTOSHIBA KK·Filed 1990·Granted Sep 3, 1991·11 cites·4 claims
- 3653US11585879B2Radio frequency amplifying device and magnetic resonance imaging apparatusCANON MEDICAL SYSTEMS CORP·Filed 2020·Granted Feb 21, 2023·0 cites·10 claims
- 3752USRE37750ECRT having color filter with a special green filterTOSHIBA KK·Filed 2000·Granted Jun 18, 2002·2 cites·6 claims
- 3851US5640066ADisplay screen and method of manufacturing the sameTOSHIBA KK·Filed 1995·Granted Jun 17, 1997·9 cites·11 claims
- 3950US7074100B2Method of forming metal back-attached fluorescent surface and image display unitTOSHIBA KK·Filed 2002·Granted Jul 11, 2006·1 cites·15 claims
- 4050US5686787ACRT having color filter with a special green filterTOSHIBA KK·Filed 1996·Granted Nov 11, 1997·9 cites·6 claims
- 4150US4674228AProcess of shiitake (lentinus edodes) cultivationKANEBO FOODS·Filed 1985·Granted Jun 23, 1987·15 cites·8 claims
- 4249US2007072329A1Method and apparatus for manufacturing a display apparatusOGURI TAKUMI·Filed 2006·Application pending·0 cites
- 4349US2007163991A1Forming apparatus and forming methodGAMO YASUNORI·Filed 2006·Application pending·0 cites
- 4448US6841926B2Transfer film, method for forming metal back layer, and image displayTOSHIBA KK·Filed 2001·Granted Jan 11, 2005·3 cites·9 claims
- 4548US2007210698A1Image display apparatus and method of manufacturing the sameTANAKA HAJIME·Filed 2007·Application pending·0 cites
- 4647US10232299B2Honeycomb structureNGK INSULATORS LTD·Filed 2015·Granted Mar 19, 2019·0 cites·14 claims
- 4746US4860626AWippen heel mechanism for an upright pianoTANAKA HAJIME·Filed 1987·Granted Aug 29, 1989·10 cites·7 claims
- 4846US2015209816A1Tire lubricator deviceKOBE STEEL LTD·Filed 2013·Application pending·0 cites
- 4945US8266980B2Steering apparatusYAMAKAWA TOMONARI·Filed 2009·Granted Sep 18, 2012·0 cites·4 claims
- 5045US7187898B2Image forming apparatus having a fixing device for fixing toner including wax on a transfer sheetKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Mar 6, 2007·2 cites·14 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →