Inventor · disambiguated record
Tsutomu Arai
Also filed as: ARAI TSUTOMU
45 granted patents·5 pending applications·669 citations·filing 1984–2024
98Inventor score
Files withNIDEC SANKYO CORP16FUJI PHOTO FILM CO LTD15MITSUBISHI ELECTRIC CORP5NIDEC CORP4NIDEC INSTRUMENTS CORP3
Top patents by PatentIndex Score
50 records- 0197US6090538AHeat developable light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jul 18, 2000·51 cites·14 claims
- 0295US11493780B2Optical unit with shake correction functionNIDEC CORP·Filed 2021·Granted Nov 8, 2022·4 cites·11 claims
- 0394US11640041B2Optical unitNIDEC SANKYO CORP·Filed 2021·Granted May 2, 2023·3 cites·5 claims
- 0494US6203972B1Photothermographic materialFUJI PHOTO FILM CO LTD·Filed 1997·Granted Mar 20, 2001·25 cites·27 claims
- 0593US11630320B2Optical assembly with shake correction functionNIDEC CORP·Filed 2021·Granted Apr 18, 2023·3 cites·10 claims
- 0692US6502943B2Antiglare and antireflection film, polarizer, and image display deviceFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jan 7, 2003·50 cites·11 claims
- 0791US7515705B2Folding type portable terminalTOSHIBA KK·Filed 2005·Granted Apr 7, 2009·49 cites·9 claims
- 0891US5083205ATelevision receiver with memory recall of television broadcast channel and systemSONY CORP·Filed 1990·Granted Jan 21, 1992·123 cites·20 claims
- 0990US6245499B1Photothermographic materialFUJI PHOTO FILM CO LTD·Filed 1998·Granted Jun 12, 2001·37 cites·20 claims
- 1089US11543674B2Optical unit with image stabilization functionNIDEC CORP·Filed 2021·Granted Jan 3, 2023·2 cites·9 claims
- 1187US5942384ASilver halide photographic materials and method for processing the sameFUJI PHOTO FILM CO LTD·Filed 1995·Granted Aug 24, 1999·15 cites·8 claims
- 1284US4634304APrinterTOKYO ELECTRIC CO LTD·Filed 1984·Granted Jan 6, 1987·39 cites·2 claims
- 1381US6830348B2Antiglare and antireflection film, polarizer, and image display deviceFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 14, 2004·19 cites·14 claims
- 1478US5183656ADeodorant and product in which the deodorant is usedMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 2, 1993·110 cites·9 claims
- 1574US6027872AThermographic photographic elementFUJI PHOTO FILM CO LTD·Filed 1998·Granted Feb 22, 2000·7 cites·15 claims
- 1673US10859846B2Optical unit with shake correction functionNIDEC SANKYO CORP·Filed 2018·Granted Dec 8, 2020·1 cites·10 claims
- 1773US6303280B1Transparent magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted Oct 16, 2001·9 cites·20 claims
- 1866US12092950B2Case and optical unitNIDEC SANKYO CORP·Filed 2022·Granted Sep 17, 2024·0 cites·7 claims
- 1964US2024333118A1Swinging unitNIDEC INSTRUMENTS CORP·Filed 2024·Application pending·0 cites
- 2063US6773122B2Optical film containing anti-glare layer and image display apparatus using the sameFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 10, 2004·8 cites·8 claims
- 2162US6258519B1Transparent magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1999·Granted Jul 10, 2001·15 cites·20 claims
- 2262US5097106AFrypan for both microwave and flame cookingMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 17, 1992·23 cites·8 claims
- 2361US5229262ASilver halide photographic material and method for processing the sameFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jul 20, 1993·5 cites·12 claims
- 2460US5876907AImage formation methodFUJI PHOTO FILM CO LTD·Filed 1997·Granted Mar 2, 1999·4 cites·12 claims
- 2559US12092897B2Optical unitNIDEC SANKYO CORP·Filed 2021·Granted Sep 17, 2024·0 cites·14 claims
- 2657US5166485AFrypan for both microwave and flame cookingMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Nov 24, 1992·18 cites·2 claims
- 2757US2023384567A1Optical unitNIDEC INSTRUMENTS CORP·Filed 2023·Application pending·0 cites
- 2856US12422694B2Optical unit with shake correction functionNIDEC INSTRUMENTS CORP·Filed 2023·Granted Sep 23, 2025·0 cites·5 claims
- 2956US12339519B2Optical unitNIDEC SANKYO CORP·Filed 2021·Granted Jun 24, 2025·0 cites·5 claims
- 3055US6869672B2Antiglare film, sheet polarizer, and image display deviceFUJI PHOTO FILM CO LTD·Filed 2001·Granted Mar 22, 2005·4 cites·13 claims
- 3153US11927826B2Optical unitNIDEC SANKYO CORP·Filed 2021·Granted Mar 12, 2024·0 cites·12 claims
- 3252US12510722B2Case and optical unitNIDEC SANKYO CORP·Filed 2021·Granted Dec 30, 2025·0 cites·10 claims
- 3351US11656477B2Optical unit with shake correction functionNIDEC SANKYO CORP·Filed 2021·Granted May 23, 2023·0 cites·5 claims
- 3451US11567339B2Optical unit with shake correction function and method of producing optical unit with shake correction functionNIDEC SANKYO CORP·Filed 2020·Granted Jan 31, 2023·0 cites·23 claims
- 3551US5015813APower feeding port arrangement for a microwave heating apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 14, 1991·12 cites·10 claims
- 3651US2022099908A1Optical unitNIDEC SANKYO CORP·Filed 2021·Application pending·0 cites
- 3750US12096123B2Optical unit with shake correction functionNIDEC SANKYO CORP·Filed 2023·Granted Sep 17, 2024·0 cites·6 claims
- 3850US11627663B2Optical unitNIDEC CORP·Filed 2021·Granted Apr 11, 2023·0 cites·17 claims
- 3950US11215900B2Shake correction device, optical unit with shake correction function, and method of manufacturing sameNIDEC SANKYO CORP·Filed 2019·Granted Jan 4, 2022·0 cites·10 claims
- 4050US5609997ASilver halide photographic material and a processing method for that materialFUJI PHOTO FILM CO LTD·Filed 1994·Granted Mar 11, 1997·3 cites·10 claims
- 4149US12007622B2Optical unitNIDEC SANKYO CORP·Filed 2021·Granted Jun 11, 2024·0 cites·8 claims
- 4249US2010182885A1Method for discriminating optical disc, optical disc device and programKENWOOD CORP·Filed 2009·Application pending·0 cites
- 4348US8964516B2Optical disc device and optical disc determination methodJVC KENWOOD CORP·Filed 2014·Granted Feb 24, 2015·0 cites·4 claims
- 4445US10798304B2Optical unit with shake correction function including center-of-gravity position adjusting member and method for fixing center-of-gravity position adjusting memberNIDEC SANKYO CORP·Filed 2019·Granted Oct 6, 2020·0 cites·11 claims
- 4545US6188584B1Power supply circuit maintaining electrical isolationSONY CORP·Filed 1999·Granted Feb 13, 2001·16 cites·7 claims
- 4645US2013028761A1Pump deviceNIDEC SANKYO CORP·Filed 2012·Application pending·0 cites
- 4742US11506910B2Optical unit with shake correction functionNIDEC SANKYO CORP·Filed 2021·Granted Nov 22, 2022·0 cites·16 claims
- 4841US6153372APhotothermographic elementFUJI PHOTO FILM CO LTD·Filed 1998·Granted Nov 28, 2000·8 cites·6 claims
- 4936US6858977B2Cathode-ray tube and cathode-ray tube manufacturing methodSONY CORP·Filed 2002·Granted Feb 22, 2005·0 cites·2 claims
- 5035US5057660AMethod of making microwave heating apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 15, 1991·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →