Inventor · disambiguated record
Yoshio Nakajima
Also filed as: KAMACHI SHINICHI · NAKAJIMA YOSHIO · SAWAMURA ICHIRO · TAKAYAMA SHUICHI
51 granted patents·8 pending applications·644 citations·filing 1976–2022
98Inventor score
Files withOLYMPUS OPTICAL CO19CANON KK10NISSHIN STEEL CO LTD4SUMITOMO ELECTRIC INDUSTRIES4KANSAI PAINT CO LTD3
Top patents by PatentIndex Score
59 records- 0196US7297202B2Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded imageCANON KK·Filed 2005·Granted Nov 20, 2007·31 cites·22 claims
- 0296US7291214B2Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatusCANON KK·Filed 2006·Granted Nov 6, 2007·32 cites·11 claims
- 0395US7291211B2Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded imageCANON KK·Filed 2005·Granted Nov 6, 2007·27 cites·15 claims
- 0494US7578876B2Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2007·Granted Aug 25, 2009·18 cites·8 claims
- 0593US4090921AAutomatic cultivating apparatusOLYMPUS OPTICAL CO·Filed 1976·Granted May 23, 1978·56 cites·7 claims
- 0692US8425027B2Clear ink, ink jet recording method, ink set, ink cartridge, recording unit and ink jet recording apparatusNISHIWAKI YUKO·Filed 2010·Granted Apr 23, 2013·12 cites·20 claims
- 0790US8602547B2Ink, ink cartridge, and ink jet recording methodNAKATA EIICHI·Filed 2011·Granted Dec 10, 2013·7 cites·14 claims
- 0887US8602546B2Ink, ink cartridge, and ink jet recording methodSHIMIZU YUHEI·Filed 2011·Granted Dec 10, 2013·7 cites·15 claims
- 0986US8834621B2Pigment particle, ink, ink cartridge, and ink jet recording methodTAKEBAYASHI SATOSHI·Filed 2012·Granted Sep 16, 2014·8 cites·11 claims
- 1085US4154652AMethod for automatically and successively cultivating tissues or cells of a bodyOLYMPUS OPTICAL CO·Filed 1976·Granted May 15, 1979·29 cites·1 claims
- 1184US8579401B2Inkjet printing system and inkjet printing methodIRITANI HINAKO·Filed 2011·Granted Nov 12, 2013·4 cites·15 claims
- 1279US4882020AProcess for treating effluent gasEBARA CORP·Filed 1988·Granted Nov 21, 1989·36 cites·16 claims
- 1378US8987348B2Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusMUKAE FUMIHIKO·Filed 2008·Granted Mar 24, 2015·6 cites·17 claims
- 1478US8636350B2Ink, ink cartridge, and ink jet recording methodTAKAYAMA HIDEKI·Filed 2011·Granted Jan 28, 2014·3 cites·18 claims
- 1578US4242703AProjection apparatus for optical systemsOLYMPUS OPTICAL CO·Filed 1979·Granted Dec 30, 1980·23 cites·13 claims
- 1677US8187641B2Chlorella extract-containing product and method for improving the storage stability of the sameNAKAJIMA YOSHIO·Filed 2010·Granted May 29, 2012·1 cites·2 claims
- 1776US7026392B2Resin for pigment dispersionKANSAI PAINT CO LTD·Filed 2001·Granted Apr 11, 2006·13 cites·17 claims
- 1875US6656595B2Pigment dispersing resinsKANSAI PAINT CO LTD·Filed 2001·Granted Dec 2, 2003·18 cites·62 claims
- 1970US4582097AControl apparatus and method for automatic filling machineMATEER BURT COMPANY INC·Filed 1983·Granted Apr 15, 1986·29 cites·54 claims
- 2069US5940781ATire pressure drop detecting deviceSUMITOMO RUBBER IND·Filed 1998·Granted Aug 17, 1999·28 cites·5 claims
- 2165US4329030AIntegrating time detector for photographic apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted May 11, 1982·8 cites·14 claims
- 2263US9060542B2Chlorella extract-containing product and method for improving the storage stability of the sameNAKAJIMA YOSHIO·Filed 2012·Granted Jun 23, 2015·0 cites·12 claims
- 2363US6064936ATire air pressure reduction detecting apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 16, 2000·21 cites·7 claims
- 2463US4314150AApparatus for detecting the in-focusing conditionsOLYMPUS OPTICAL CO·Filed 1979·Granted Feb 2, 1982·13 cites·3 claims
- 2562US5408531AInformation recording/reproducing apparatus for converting and processing data exceeding error correction ability at recordingOLYMPUS OPTICAL CO·Filed 1992·Granted Apr 18, 1995·38 cites·19 claims
- 2662US4363541APhotographing apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted Dec 14, 1982·7 cites·20 claims
- 2761US6548174B2Pigment dispersing resinsKANSAI PAINT CO LTD·Filed 2001·Granted Apr 15, 2003·8 cites·62 claims
- 2860US12312480B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2022·Granted May 27, 2025·0 cites·22 claims
- 2960US4176376AImage processing systemOLYMPUS OPTICAL CO·Filed 1978·Granted Nov 27, 1979·12 cites·5 claims
- 3057US4326217AReversed image sensing apparatusOLYMPUS OPTICAL CO·Filed 1979·Granted Apr 20, 1982·10 cites·6 claims
- 3155US6055488ADevice for calculating initial correction factor for correcting rotational velocity of tireSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Apr 25, 2000·17 cites·20 claims
- 3254US5922949AWheel rotational velocity signal processing apparatus used for detection of reduction in tire air pressureSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jul 13, 1999·17 cites·5 claims
- 3354US4373796AFilm end detector for use in automatic film winding cameraOLYMPUS OPTICAL CO·Filed 1980·Granted Feb 15, 1983·5 cites·9 claims
- 3453US4359273APhotographing apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted Nov 16, 1982·5 cites·13 claims
- 3553US4289959AApparatus for detecting the in-focusing conditionsOLYMPUS OPTICAL CO·Filed 1979·Granted Sep 15, 1981·12 cites·7 claims
- 3651US7615832B2Physical quantity sensor, method for manufacturing the same, and resin film for bonding semiconductor chip and circuit chipDENSO CORP·Filed 2007·Granted Nov 10, 2009·2 cites·10 claims
- 3751US4331864AApparatus for detecting an in-focused condition of optical systemsOLYMPUS OPTICAL CO·Filed 1979·Granted May 25, 1982·9 cites·8 claims
- 3850US4339187APhotographing apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted Jul 13, 1982·4 cites·5 claims
- 3947US2004244622A1Dispersible colorant and method for producing the same, and aqueous ink, ink tank, ink jet recorder, ink jet recording method and inkjet recorded image using the sameCANON KK·Filed 2004·Application pending·0 cites
- 4046US4428245AApparatus for sampling molten metalNISSHIN STEEL CO LTD·Filed 1982·Granted Jan 31, 1984·10 cites·12 claims
- 4146US2006167136A1Method of manufacturing dispersible colorant and ink-jet recording inkCANON KK·Filed 2005·Application pending·0 cites
- 4246US2006135647A1Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded imageCANON KK·Filed 2005·Application pending·0 cites
- 4346US2006130706A1Dispersible colorant and process for its production, water-based ink making use of the dispersible colorant, ink tank, ink-jet recording apparatus, ink-jet recording process, and ink-jet recorded imageCANON KK·Filed 2005·Application pending·0 cites
- 4445US2006052514A1Pigment dispersing resinNAKAJIMA YOSHIO·Filed 2005·Application pending·0 cites
- 4545US2005043434A1Dispersible color material and process for producing the same, water-color ink employing it, ink tank, inkjet recorder, inkjet recording method and inkjet recorded imageFiled 2003·Application pending·0 cites
- 4644US5983715AInitial correcting apparatus for automatically performing an initial correction processing in a tire air pressure reduction detecting apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Nov 16, 1999·11 cites·11 claims
- 4744US2006142416A1Dispersible colorant and manufacturing method thereof, aqueous ink using the same, ink tank, ink-jet recording apparatus, ink-jet recording method, and ink-jet recording imageCANON KK·Filed 2005·Application pending·0 cites
- 4843USD613264SRadio tunerMITSUMI ELECTRIC CO LTD·Filed 2008·Granted Apr 6, 2010·4 cites·1 claims
- 4942US5280468AOptical recording mediumOLYMPUS OPTICAL CO·Filed 1992·Granted Jan 18, 1994·10 cites·9 claims
- 5040US9182038B2Cooker with steam generating functionHAYAKAWA YUJI·Filed 2011·Granted Nov 10, 2015·0 cites·3 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yoshio Nakajima 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 →