Inventor · disambiguated record
Akiyoshi Tanaka
Also filed as: TANAKA AKIYOSHI
46 granted patents·7 pending applications·1,124 citations·filing 1982–2019
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD13TANAKA AKIYOSHI6RICOH KK5ITO YOICHI4HITACHI GLOBAL STORAGE TECH3
Top patents by PatentIndex Score
53 records- 0196US8485653B2Compact front-operable image forming apparatusKATSUYAMA GORO·Filed 2011·Granted Jul 16, 2013·10 cites·7 claims
- 0295US7469981B2Compact front-operable image forming apparatusRICOH KK·Filed 2003·Granted Dec 30, 2008·49 cites·19 claims
- 0394US7142385B2Method, apparatus and program storage device for magnetic disk drive protectionLENOVO SINGAPORE PTD LTD·Filed 2004·Granted Nov 28, 2006·67 cites·20 claims
- 0494US7042663B2Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection methodHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·42 cites·24 claims
- 0593US6370316B1Apparatus for retrieving and administrating moving pictures and related network systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 9, 2002·62 cites·15 claims
- 0693US5144426AMotion compensated prediction interframe coding systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Sep 1, 1992·190 cites·17 claims
- 0792US4972260AApparatus for coding a moving-picture signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 20, 1990·107 cites·6 claims
- 0890US7813074B2Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection methodHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Oct 12, 2010·8 cites·19 claims
- 0988US8737879B2Opening and closing mechanism and image forming apparatus including the opening and closing mechanismITO YOICHI·Filed 2011·Granted May 27, 2014·7 cites·17 claims
- 1087US7382566B2Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection methodHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 3, 2008·6 cites·20 claims
- 1187US6249610B1Apparatus and method for coding a picture and apparatus and method for decoding a pictureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 19, 2001·104 cites·20 claims
- 1286US7154692B2Automatic adjustment of magnetic disk protection apparatus and method according to environmentIBM·Filed 2004·Granted Dec 26, 2006·22 cites·23 claims
- 1386US6463237B2Image forming apparatus and charge roller thereforRICOH KK·Filed 2001·Granted Oct 8, 2002·26 cites·6 claims
- 1486US5126841AMotion compensated prediction interframe coding systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 30, 1992·92 cites·6 claims
- 1585US8419156B2Image forming apparatus capable of effectively damping vibrationITO YOICHI·Filed 2010·Granted Apr 16, 2013·4 cites·10 claims
- 1685US8152294B2Compact front-operable image forming apparatusKATSUYAMA GORO·Filed 2008·Granted Apr 10, 2012·5 cites·16 claims
- 1785US5410356AScanning-line interpolation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Apr 25, 1995·80 cites·3 claims
- 1882US7424611B2Authentication system and methodLENOVO SINGAPORE PTE LTD·Filed 2003·Granted Sep 9, 2008·37 cites·7 claims
- 1982US6301302B1Moving picture search system cross reference to related applicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 9, 2001·14 cites·11 claims
- 2078US8757791B2Image forming apparatusTANAKA AKIYOSHI·Filed 2011·Granted Jun 24, 2014·4 cites·10 claims
- 2177US6533883B1Method of manufacturing optical mediumHOYA CORP·Filed 2000·Granted Mar 18, 2003·15 cites·12 claims
- 2276US10696063B2Image forming apparatus body and image forming apparatusNISHII TOSHIKANE·Filed 2018·Granted Jun 30, 2020·1 cites·12 claims
- 2373US6678490B2Recording medium conveying mechanism with first and second engaging portions directly engaged with each other to position first and second rotary bodies and image forming apparatus using the sameRICOH KK·Filed 2001·Granted Jan 13, 2004·13 cites·5 claims
- 2472US8544983B2Image forming apparatusTANAKA AKIYOSHI·Filed 2011·Granted Oct 1, 2013·2 cites·4 claims
- 2572US8500240B2Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording mediumMATSUBARA MITSUYA·Filed 2011·Granted Aug 6, 2013·2 cites·6 claims
- 2672US7024574B2Method and structure for switching between two battery units for driving an electrically driven deviceLENOVO SINGAPORE PTE LTD·Filed 2003·Granted Apr 4, 2006·17 cites·15 claims
- 2769US8342628B2Image forming apparatusRICOH CO LTD·Filed 2009·Granted Jan 1, 2013·3 cites·14 claims
- 2867US8336987B2Image forming apparatusITO YOICHI·Filed 2010·Granted Dec 25, 2012·1 cites·10 claims
- 2966USD418862SToner cartridgeRICOH COMPANY INC·Filed 1998·Granted Jan 11, 2000·13 cites·1 claims
- 3064US8573769B2Image forming apparatusTANAKA AKIYOSHI·Filed 2011·Granted Nov 5, 2013·1 cites·16 claims
- 3164US6688016B2Angular position adjusting deviceFUJI MACHINE MFG·Filed 2002·Granted Feb 10, 2004·10 cites·18 claims
- 3264US4470072AMethod of band compressionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Sep 4, 1984·15 cites·1 claims
- 3363US6219382B1Method and apparatus for locating a caption-added frame in a moving picture signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Apr 17, 2001·14 cites·10 claims
- 3461US5659364AMotion vector detection circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 19, 1997·25 cites·6 claims
- 3560US10882332B2Image forming apparatus and image forming apparatus bodyNISHII TOSHIKANE·Filed 2018·Granted Jan 5, 2021·0 cites·20 claims
- 3659US5241387ANoise-reducing filter apparatus for decoded digital video signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 31, 1993·19 cites·4 claims
- 3758US7171569B2Apparatus, method and program product for preventing system mode change by mistaken instructionLENOVO SINGAPORE PTE LTD·Filed 2003·Granted Jan 30, 2007·6 cites·16 claims
- 3852USRE37091EMotion compensated prediction interframe coding systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 13, 2001·13 cites·33 claims
- 3945US8303077B2Image forming apparatus employing carriage with image forming unit mounted thereonTANAKA AKIYOSHI·Filed 2009·Granted Nov 6, 2012·0 cites·19 claims
- 4045US5793443AMotion vector detection circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 11, 1998·14 cites·3 claims
- 4143US2010067938A1Image forming apparatus with reciprocally movable carriageRICOH KK·Filed 2009·Application pending·0 cites
- 4243US2019283467A1Image forming apparatus and image forming apparatus bodyNISHII TOSHIKANE·Filed 2019·Application pending·0 cites
- 4342USD468345SToner cartridgeRICOH KK·Filed 2002·Granted Jan 7, 2003·4 cites·1 claims
- 4441US2021052123A1Dust-collecting device and vacuum cleanerTOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP·Filed 2019·Application pending·0 cites
- 4541US2019332506A1Controller and function testing methodDENSO TEN LTD·Filed 2019·Application pending·0 cites
- 4640US9033460B2Image forming apparatus capable of collecting ink mistITO YOICHI·Filed 2010·Granted May 19, 2015·0 cites·12 claims
- 4740US8556376B2Image forming apparatusKIKKAWA FUMITAKA·Filed 2011·Granted Oct 15, 2013·0 cites·3 claims
- 4839US11317775B2Dust-collecting device and vacuum cleanerTOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP·Filed 2019·Granted May 3, 2022·0 cites·10 claims
- 4939US8714682B2Image forming apparatusTANAKA AKIYOSHI·Filed 2011·Granted May 6, 2014·0 cites·15 claims
- 5039US2002172236A1Fiber laser device and a laser apparatusHOYA CORP·Filed 2002·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Akiyoshi Tanaka 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 →