Inventor · disambiguated record
Akira Nagashima
Also filed as: INAGA HISASHI · NAGASHIMA AKIRA
173 granted patents·12 pending applications·4,533 citations·filing 1975–2023
99Inventor score
Files withKIORITZ CORP95CANON KK41FUJI PHOTO FILM CO LTD21YOKOGAWA ELECTRIC CORP6PIONEER ELECTRONIC CORP5
Top patents by PatentIndex Score
185 records- 0198US7144449B2Print ink containing a plurality of fluorescent coloring materials and inkjet recording methodCANON KK·Filed 2004·Granted Dec 5, 2006·88 cites·2 claims
- 0298US7141105B2Water-based fluorescent ink, recorded image using the same, and judging methodCANON KK·Filed 2004·Granted Nov 28, 2006·76 cites·15 claims
- 0398US6676254B2Recording method, ink cartridge, printing device and information recording apparatusCANON KK·Filed 2001·Granted Jan 13, 2004·95 cites·1 claims
- 0498US5451251AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1994·Granted Sep 19, 1995·166 cites·44 claims
- 0598US4279982APhotosensitive compositionsFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jul 21, 1981·76 cites·24 claims
- 0698US4258123APhotosensitive resin compositionFUJI PHOTO FILM CO LTD·Filed 1979·Granted Mar 24, 1981·123 cites·20 claims
- 0796US7429291B2Print ink containing a plurality of fluorescent coloring materials and inkjet recording methodCANON KK·Filed 2006·Granted Sep 30, 2008·24 cites·4 claims
- 0896US7364770B2Coated fine particles and method for producing coated fine particles by reverse Diels-Alder reactionCANON KK·Filed 2006·Granted Apr 29, 2008·28 cites·2 claims
- 0996US7185978B2Recording method, ink cartridge, printing device and information recording apparatusCANON KK·Filed 2003·Granted Mar 6, 2007·56 cites·48 claims
- 1096US5571313AInk-jet inkCANON KK·Filed 1995·Granted Nov 5, 1996·115 cites·15 claims
- 1196US5482545AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1994·Granted Jan 9, 1996·89 cites·16 claims
- 1296US5296022AInk-jet recording method and apparatus employing ink containing halogenated alkanol with 2 to 4 carbon atomsCANON KK·Filed 1993·Granted Mar 22, 1994·92 cites·44 claims
- 1396US4232106APhotosensitive compositions containing 2-halomethyl-5-vinyl-1,3,4-oxadiazoles as free radical progenitorsFUJI PHOTO FILM CO LTD·Filed 1978·Granted Nov 4, 1980·100 cites·13 claims
- 1495US7267716B2Aqueous ink, image recorded using said aqueous ink and method for forming said imageCANON KK·Filed 2005·Granted Sep 11, 2007·21 cites·7 claims
- 1595US6108867AHandling device for power working machineKIORITZ CORP·Filed 1998·Granted Aug 29, 2000·86 cites·8 claims
- 1695US5258066AInk containing halogenated alkanol with 2 to 4 carbon atoms, recording method and apparatus using the sameCANON KK·Filed 1991·Granted Nov 2, 1993·92 cites·11 claims
- 1793US7464965B2Water-based fluorescent ink, recorded image using the same, and judging methodCANON KK·Filed 2006·Granted Dec 16, 2008·21 cites·1 claims
- 1893US7195340B2Ink-jet recording method and ink-jet inkCANON KK·Filed 2004·Granted Mar 27, 2007·44 cites·8 claims
- 1993US6263579B1Hand-held power working machineKIORITZ CORP·Filed 1998·Granted Jul 24, 2001·67 cites·6 claims
- 2092US5733363ADye, ink containing the same, and ink-jet recording method and instrument using the inkCANON KK·Filed 1995·Granted Mar 31, 1998·48 cites·43 claims
- 2192US5213613AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1992·Granted May 25, 1993·72 cites·21 claims
- 2292US5029393AChain sawKIORITZ CORP·Filed 1990·Granted Jul 9, 1991·57 cites·5 claims
- 2391US6676734B2Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus, fluorescence enhancing method and method of elongating life time of fluorescenceCANON KK·Filed 2001·Granted Jan 13, 2004·26 cites·5 claims
- 2490US8308198B2Water-based fluorescent ink, recorded image using the same, and judging methodUDAGAWA MASAKO·Filed 2008·Granted Nov 13, 2012·18 cites·12 claims
- 2590US5080716AInk having use in ink-jet recordingCANON KK·Filed 1991·Granted Jan 14, 1992·66 cites·2 claims
- 2690US5078790AInk, ink-jet recording process, and instrument making use of the inkCANON KK·Filed 1991·Granted Jan 7, 1992·58 cites·5 claims
- 2790US4382333AChain sawKIORITZ CORP·Filed 1981·Granted May 10, 1983·42 cites·1 claims
- 2889US6065214APortable trimmerKIORITZ CORP·Filed 1998·Granted May 23, 2000·58 cites·4 claims
- 2989US5132700AInk-jet recording process and apparatus employing-ink for ink-jet recordingCANON KK·Filed 1991·Granted Jul 21, 1992·52 cites·14 claims
- 3089US5131949AInk, ink-jet recording process, and instrument making use of the inkCANON KK·Filed 1991·Granted Jul 21, 1992·62 cites·17 claims
- 3189US4809438ARotary cutter and supportKIORITZ CORP·Filed 1987·Granted Mar 7, 1989·43 cites·1 claims
- 3289US4534005AChain sawKIORITZ CORP·Filed 1982·Granted Aug 6, 1985·42 cites·3 claims
- 3388US7669104B2Forward error correction method and communication method, and forward error correction code addition apparatus and communication apparatusYOKOGAWA ELECTRIC CORP·Filed 2005·Granted Feb 23, 2010·20 cites·1 claims
- 3488US7125111B2Ink and ink jet recording method using the inkCANON KK·Filed 2004·Granted Oct 24, 2006·27 cites·15 claims
- 3588US5141838APhotosensitive compositionFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 25, 1992·69 cites·19 claims
- 3688US4271251APhotosensitive compositionsFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jun 2, 1981·20 cites·21 claims
- 3787US5865883AInk, ink cartridge and recording unit, ink-jet recording method and ink-jet recording apparatusCANON KK·Filed 1997·Granted Feb 2, 1999·49 cites·144 claims
- 3887US4202096APortable chain sawKIORITZ CORP·Filed 1978·Granted May 13, 1980·37 cites·2 claims
- 3986US5478383AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1994·Granted Dec 26, 1995·48 cites·22 claims
- 4086US4701399APhotosensitive composition with 2-halomethyl-5-substituted-1,3,4-oxadiazoleFUJI PHOTO FILM CO LTD·Filed 1985·Granted Oct 20, 1987·24 cites·9 claims
- 4186US4630372AFront handle support means of portable chain sawKIORITZ CORP·Filed 1984·Granted Dec 23, 1986·40 cites·2 claims
- 4285US6835239B2Fluorescent ink, and ink cartridge, recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent inkCANON KK·Filed 2001·Granted Dec 28, 2004·19 cites·36 claims
- 4385US5182579AInk-jet having ink storing absorbant materialCANON KK·Filed 1991·Granted Jan 26, 1993·53 cites·88 claims
- 4484US5947866ABraking device for power working machineKIORITZ CORP·Filed 1998·Granted Sep 7, 1999·32 cites·10 claims
- 4584US4654970AHeated handle for a chain sawKIORITZ CORP·Filed 1986·Granted Apr 7, 1987·43 cites·5 claims
- 4683US5936649ARecording method, recording apparatus for conducting the recording method and ink jet cartridge for use in the recording apparatusCANON KK·Filed 1995·Granted Aug 10, 1999·46 cites·75 claims
- 4783US5537673ACar stereo having a removable panelPIONEER ELECTRONIC CORP·Filed 1995·Granted Jul 16, 1996·128 cites·7 claims
- 4883US5409529AInk, and ink-jet recording method and instrument using the sameCANON KK·Filed 1993·Granted Apr 25, 1995·45 cites·22 claims
- 4983US4866921AMowing apparatusKIORITZ CORP·Filed 1989·Granted Sep 19, 1989·50 cites·2 claims
- 5082US5560187AStrapping machineKIORITZ CORP·Filed 1994·Granted Oct 1, 1996·39 cites·6 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →