Inventor · disambiguated record
Yasuhiko Tanaka
Also filed as: TANAKA YASUHIKO
80 granted patents·9 pending applications·1,922 citations·filing 1979–2022
99Inventor score
Files withFUJI PHOTO OPTICAL CO LTD27FUJI PHOTO FILM CO LTD11KONISHIROKU PHOTO IND10MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6JAPAN STEEL WORKS LTD5
Top patents by PatentIndex Score
89 records- 0199US4558326APurging system for ink jet recording apparatusKONISHIROKU PHOTO IND·Filed 1983·Granted Dec 10, 1985·361 cites·14 claims
- 0298USD303173SVacuum cleanerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Aug 29, 1989·139 cites·1 claims
- 0398US4604633AInk-jet recording apparatusKONISHIROKU PHOTO IND·Filed 1983·Granted Aug 5, 1986·224 cites·9 claims
- 0497US6341201B1Remotely controllable camera systemFUJI PHOTO OPTICAL CO LTD·Filed 1998·Granted Jan 22, 2002·95 cites·36 claims
- 0595US5678081APhotographic camera having a picture size switching deviceFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Oct 14, 1997·65 cites·18 claims
- 0694US7638854B2Semiconductor device, display module, and manufacturing method of semiconductor deviceSHARP KK·Filed 2006·Granted Dec 29, 2009·30 cites·36 claims
- 0791US6835006B2Lens barrel and cameraFUJI PHOTO OPTICAL CO LTD·Filed 2003·Granted Dec 28, 2004·35 cites·16 claims
- 0890US5708897ACamera having a gripFUJI PHOTO OPTICAL CO LTD·Filed 1997·Granted Jan 13, 1998·33 cites·8 claims
- 0990USD282655STelephone answering machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Feb 18, 1986·33 cites·1 claims
- 1090US4521788AInk jet printing headKONISHIROKU PHOTO IND·Filed 1982·Granted Jun 4, 1985·50 cites·7 claims
- 1189US5250998AFixing apparatus having two nip regionsKONISHIROKU PHOTO IND·Filed 1992·Granted Oct 5, 1993·40 cites·8 claims
- 1289US5086312AVariable focal length camera with focus adjusting deviceFUJI PHOTO FILM CO LTD·Filed 1990·Granted Feb 4, 1992·104 cites·24 claims
- 1389US4812866APhotographic film packageFUJI PHOTO FILM CO LTD·Filed 1988·Granted Mar 14, 1989·26 cites·16 claims
- 1488US7187996B2Press machineAIDA ENG LTD·Filed 2002·Granted Mar 6, 2007·20 cites·11 claims
- 1588US4660057AHeater power controller for ink jet printerKONISHIROKU PHOTO IND·Filed 1986·Granted Apr 21, 1987·47 cites·3 claims
- 1688US4609925AMethod for removing air bubbles or solid impurities from the printing head of a drop-on-demand type ink jet printerKONISHIROKU PHOTO IND·Filed 1985·Granted Sep 2, 1986·48 cites·31 claims
- 1787US4668965AMethod of purging impurities from a printing headKONISHIROKU PHOTO IND·Filed 1986·Granted May 26, 1987·44 cites·12 claims
- 1886US8622594B2Light emitting element module and manufacturing method thereof, and backlight apparatusISHIO TOSHIYA·Filed 2010·Granted Jan 7, 2014·10 cites·7 claims
- 1986US4769654AInk jet printing head having plurality of ink-jetting units disposed parallel to circular-shaped reference planeKONISHIROKU PHOTO IND·Filed 1986·Granted Sep 6, 1988·42 cites·18 claims
- 2085US8313589B2High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the sameTAKASAWA KOICHI·Filed 2008·Granted Nov 20, 2012·11 cites·4 claims
- 2181US6937816B2Shooting apparatus and lens barrelFUJI PHOTO OPTICAL CO LTD·Filed 2004·Granted Aug 30, 2005·16 cites·26 claims
- 2281US6553188B2Camera with improved outer coversFUJI PHOTO OPTICAL CO LTD·Filed 2001·Granted Apr 22, 2003·16 cites·27 claims
- 2377US6419453B2Steam turbine rotor shaftHITACHI LTD·Filed 2001·Granted Jul 16, 2002·11 cites·5 claims
- 2476US8974612B2High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the sameTAKASAWA KOUICHI·Filed 2009·Granted Mar 10, 2015·4 cites·10 claims
- 2576US5708898ACamera having a front coverFUJI PHOTO OPTICAL CO LTD·Filed 1997·Granted Jan 13, 1998·13 cites·7 claims
- 2675US4925735AResin composition for heat-sensitive transfer recording medium and heat-sensitive transfer recording mediumKONISHIROKU PHOTO IND·Filed 1988·Granted May 15, 1990·18 cites·17 claims
- 2773US5835805AFilm transporting device of camera and clutch structure and camera with magnetic recording functionFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 10, 1998·13 cites·12 claims
- 2872USD494988SElectric component placement machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 24, 2004·19 cites·1 claims
- 2971US5897234ACamera having film support plate and cartridge chamber cover for providing a film passagewayFUJI PHOTO OPTICAL CO LTD·Filed 1997·Granted Apr 27, 1999·11 cites·7 claims
- 3070US4548259ALiquid containing vessel with temperature control deviceOLYMPUS OPTICAL CO·Filed 1982·Granted Oct 22, 1985·30 cites·26 claims
- 3169US6466747B2Structure of manual operation buttonFUJI PHOTO OPTICAL CO LTD·Filed 2001·Granted Oct 15, 2002·8 cites·6 claims
- 3269US5911842AHeat resisting steel and steam turbine rotor shaft and method of making thereofHITACHI LTD·Filed 1997·Granted Jun 15, 1999·20 cites·14 claims
- 3367US6012908AElectrically operated seal compressor having a refrigerant flow branch tube with a chamber disposed in the vicinity of a suction portMATSUSHITA REFRIGERATION·Filed 1997·Granted Jan 11, 2000·22 cites·10 claims
- 3467US5930539AFinder visual field changing mechanismFUJI PHOTO OPTICAL CO LTD·Filed 1998·Granted Jul 27, 1999·9 cites·4 claims
- 3566US4829328ACameraFUJI PHOTO FILM CO LTD·Filed 1988·Granted May 9, 1989·10 cites·7 claims
- 3665US8234930B2Method of determining fatigue of pressure-resistant component for high-pressure hydrogenWADA YORU·Filed 2008·Granted Aug 7, 2012·2 cites·7 claims
- 3764US6356717B2Flexible circuit boardFUJI PHOTO OPTICAL CO LTD·Filed 2001·Granted Mar 12, 2002·6 cites·8 claims
- 3862US5487082AElectrode for electroslag remelting and process of producing alloy using the sameJAPAN STEEL WORKS LTD·Filed 1994·Granted Jan 23, 1996·17 cites·8 claims
- 3960US6435739B1Camera having a spring loaded mechanism for driving a light-shielding door memberFUJI PHOTO OPTICAL CO LTD·Filed 2000·Granted Aug 20, 2002·5 cites·6 claims
- 4060US5444732AElectrode for electroslag remelting and process of producing alloy using the sameJAPAN STEEL WORKS LTD·Filed 1994·Granted Aug 22, 1995·8 cites·8 claims
- 4159US6206655B1Electrically-operated sealed compressorMATSUSHITA REFRIGERATION·Filed 1999·Granted Mar 27, 2001·17 cites·12 claims
- 4259US5353077APhotographic camera having also function of panoramic photographingFUJI PHOTO OPTICAL CO LTD·Filed 1993·Granted Oct 4, 1994·11 cites·24 claims
- 4358US6650838B2Device for opening coverFUJI PHOTO OPTICAL CO LTD·Filed 2002·Granted Nov 18, 2003·5 cites·5 claims
- 4458US6025329AMethod for treating ophthalmic diseasesTORAY INDUSTRIES·Filed 1996·Granted Feb 15, 2000·12 cites·6 claims
- 4557US10227682B2High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the sameJAPAN STEEL WORKS LTD·Filed 2015·Granted Mar 12, 2019·0 cites·12 claims
- 4657US2025146689A1Air-conditioning apparatus and installation-position determination methodMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 4756US5784660AMounting structure of a film passage forming plate for a photographic cameraFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Jul 21, 1998·5 cites·24 claims
- 4856US5596384AFilm feeder that reduces film tensionFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Jan 21, 1997·5 cites·5 claims
- 4955US6491448B2Camera having a lens coverFUJI PHOTO OPTICAL CO LTD·Filed 2001·Granted Dec 10, 2002·3 cites·11 claims
- 5055US5752120AMechanism for opening and closing a film chamber of a photographic cameraFUJI PHOTO OPTICAL CO LTD·Filed 1997·Granted May 12, 1998·5 cites·15 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →