Inventor · disambiguated record
Akira Kojima
Also filed as: KOJIMA AKIRA
119 granted patents·35 pending applications·1,846 citations·filing 1976–2024
99Inventor score
Files withHITACHI LTD29NIPPON TELEGRAPH & TELEPHONE23HITACHI GLOBAL STORAGE TECH11SONY CORP11KOJIMA AKIRA10
Top patents by PatentIndex Score
154 records- 0196USD918336SWater purifierMORITO CO LTD·Filed 2018·Granted May 4, 2021·7 cites·1 claims
- 0296US6376837B1Optical scanning apparatus and image forming apparatus having defective light source detectionRICOH KK·Filed 2000·Granted Apr 23, 2002·97 cites·23 claims
- 0394US7754514B2Method of making a light emitting elementTOYODA GOSEI KK·Filed 2007·Granted Jul 13, 2010·48 cites·10 claims
- 0494US7457069B2Magnetic disk drive with flying height control, control method, and manufacturing methodHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 25, 2008·22 cites·15 claims
- 0592US7369339B2Failure prediction method for magnetic disk devices, and a magnetic disk device using the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 6, 2008·17 cites·8 claims
- 0692US5715105AMethod of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data areaHITACHI LTD·Filed 1993·Granted Feb 3, 1998·43 cites·22 claims
- 0790US7532227B2Optical scanner and image forming apparatusRICOH KK·Filed 2003·Granted May 12, 2009·37 cites·14 claims
- 0889US11998819B2Virtual environment construction apparatus, video presentation apparatus, model learning apparatus, optimal depth decision apparatus, methods for the same, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Granted Jun 4, 2024·2 cites·9 claims
- 0989US11510850B2Medication support apparatusHAYASHI HIROTAKA·Filed 2021·Granted Nov 29, 2022·2 cites·9 claims
- 1089US11395947B2Virtual environment construction apparatus, video presentation apparatus, model learning apparatus, optimal depth decision apparatus, methods for the same, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 26, 2022·2 cites·8 claims
- 1189US5945008AMethod and apparatus for plasma controlSONY CORP·Filed 1995·Granted Aug 31, 1999·60 cites·2 claims
- 1287USD1028792SReagent transportation robotHITACHI HIGH TECH CORP·Filed 2022·Granted May 28, 2024·11 cites·1 claims
- 1387US5313340ARead/write controlling apparatus for adjusting the data length of a magnetic diskHITACHI LTD·Filed 1992·Granted May 17, 1994·48 cites·20 claims
- 1487USD338293SElectric vacuum cleanerHITACHI LTD·Filed 1991·Granted Aug 10, 1993·29 cites·1 claims
- 1586US7525561B2Optical scanner and image forming apparatusRICOH KK·Filed 2006·Granted Apr 28, 2009·8 cites·18 claims
- 1686USD491967SVideo camera with digital video disc playerHITACHI LTD·Filed 2003·Granted Jun 22, 2004·34 cites·1 claims
- 1786USD459709SDigital video disc playerHITACHI LTD·Filed 2001·Granted Jul 2, 2002·32 cites·1 claims
- 1886US4691963ATandem seat for a two-wheeled vehicleTACHIKAWA SPRING CO·Filed 1985·Granted Sep 8, 1987·57 cites·2 claims
- 1985US6108158AMethod and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 1997·Granted Aug 22, 2000·33 cites·10 claims
- 2085US4539139AProcess for the preparation of oil-in-water emulsionsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 3, 1985·50 cites·4 claims
- 2184USD459321SDigital video disc playerHITACHI LTD·Filed 2001·Granted Jun 25, 2002·30 cites·1 claims
- 2283US7445117B2Structure of air-packing deviceAIR PAQ INC·Filed 2005·Granted Nov 4, 2008·11 cites·16 claims
- 2383US6317281B1Disk storage device having identification information for protecting stored dataHITACHI LTD·Filed 1995·Granted Nov 13, 2001·42 cites·8 claims
- 2482US9131592B2Mobile X-ray apparatusKOJIMA AKIRA·Filed 2011·Granted Sep 8, 2015·9 cites·8 claims
- 2582USD505438SVideo camera with digital video disc playerHITACHI LTD·Filed 2003·Granted May 24, 2005·28 cites·1 claims
- 2681USD515123SVideo camera with digital video disk playerHITACHI LTD·Filed 2004·Granted Feb 14, 2006·25 cites·1 claims
- 2781US5723900AResin mold type semiconductor deviceSONY CORP·Filed 1997·Granted Mar 3, 1998·62 cites·16 claims
- 2880US6918054B2Storage apparatus and control method thereofHITACHI SOFTWARE ENG·Filed 2003·Granted Jul 12, 2005·15 cites·5 claims
- 2980US6400523B1Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 2001·Granted Jun 4, 2002·10 cites·4 claims
- 3079US9101319B2Mobile X-ray device and method for controlling mobile X-ray deviceKOJIMA AKIRA·Filed 2011·Granted Aug 11, 2015·12 cites·9 claims
- 3179USD690012SMobile X-ray apparatusYANASE KAZUYUKI·Filed 2012·Granted Sep 17, 2013·25 cites·1 claims
- 3279US5507005AData transferring system between host and I/O using a main buffer with sub-buffers where quantity of data in sub-buffers determine access requestsHITACHI LTD·Filed 1992·Granted Apr 9, 1996·97 cites·13 claims
- 3378US9812702B2Lithium ion secondary battery having positive electrode that comprises thermal run-away suppressing layer on positive electrode active material layerTOYOTA JIDOSHOKKI KK·Filed 2014·Granted Nov 7, 2017·2 cites·5 claims
- 3477US9269954B2Production process for lithium-silicate-system compoundKOJIMA TOSHIKATSU·Filed 2009·Granted Feb 23, 2016·5 cites·29 claims
- 3577US7874428B2Structure for air-packing deviceAIR PAQ INC·Filed 2008·Granted Jan 25, 2011·6 cites·17 claims
- 3677US5431769AMethod and system for plasma treatmentSONY CORP·Filed 1993·Granted Jul 11, 1995·37 cites·5 claims
- 3777US4976404AFlow control valveFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 11, 1990·31 cites·9 claims
- 3876US6236528B1Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset coresHITACHI LTD·Filed 2000·Granted May 22, 2001·8 cites·2 claims
- 3975US9583765B2Positive electrode active material for sodium ion secondary battery, positive electrode, and sodium ion secondary batteryTOYOTA JIDOSHOKKI KK·Filed 2014·Granted Feb 28, 2017·1 cites·8 claims
- 4075US8593701B2Optical scanning device and image forming apparatusSOEDA MASAHIRO·Filed 2010·Granted Nov 26, 2013·5 cites·19 claims
- 4175US5815468ADual player automotive audio system capable of playing back two different types of recording mediumsCLARION CO LTD·Filed 1997·Granted Sep 29, 1998·33 cites·14 claims
- 4274US9590237B2Lithium-ion secondary battery and method for producing the sameTOYOTA JIDOSHOKKI KK·Filed 2014·Granted Mar 7, 2017·1 cites·11 claims
- 4374US8728663B2Positive electrode for lithium-ion secondary battery and lithium-ion secondary battery comprising that positive electrodeNIWA JUNICHI·Filed 2011·Granted May 20, 2014·3 cites·8 claims
- 4474US6680957B1Group III nitride compound semiconductor laserTOYODA GOSEI KK·Filed 2000·Granted Jan 20, 2004·12 cites·21 claims
- 4574US4547423ATextile for clothesSONY CORP·Filed 1983·Granted Oct 15, 1985·20 cites·11 claims
- 4673US12311647B2Sheet processing apparatusKOJIMA AKIRA·Filed 2023·Granted May 27, 2025·0 cites·12 claims
- 4773US7569635B2Polyphenylene sulfide resin compositionsTORAY INDUSTRIES·Filed 2004·Granted Aug 4, 2009·11 cites·29 claims
- 4873USD367946SElectric shaverHITACHI MAXELL·Filed 1994·Granted Mar 12, 1996·16 cites·1 claims
- 4973US5221428AProduction of lead frameSONY CORP·Filed 1991·Granted Jun 22, 1993·49 cites·6 claims
- 5073US5145768AProcess of forming silver halide grainsFUJI PHOTO FILM CO LTD·Filed 1989·Granted Sep 8, 1992·11 cites·3 claims
Showing the top 50 of 154 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →