Inventor · disambiguated record
Yuji Nishigaki
Also filed as: NISHIGAKI YUJI
28 granted patents·1 pending application·479 citations·filing 1980–2021
96Inventor score
Top patents by PatentIndex Score
29 records- 0190US5231677AImage processing method and apparatusCANON KK·Filed 1991·Granted Jul 27, 1993·110 cites·39 claims
- 0287US4926268AImage processing apparatus which converts m-bit image data to n-bit (n>m) image dataCANON KK·Filed 1988·Granted May 15, 1990·56 cites·27 claims
- 0386US4918541AImage processing method and apparatusCANON KK·Filed 1987·Granted Apr 17, 1990·50 cites·34 claims
- 0486US4870483AColor image sensor including a plurality of photocells and a plurality of colored filters provided on the plurality of photocellsCANON KK·Filed 1989·Granted Sep 26, 1989·50 cites·10 claims
- 0585US11801696B2Sheet conveyor and image forming systemBROTHER IND LTD·Filed 2020·Granted Oct 31, 2023·2 cites·18 claims
- 0685US4448801AProcess for forming deposition filmCANON KK·Filed 1983·Granted May 15, 1984·58 cites·3 claims
- 0784US4864326ADual beam recorderCANON KK·Filed 1988·Granted Sep 5, 1989·45 cites·15 claims
- 0879US9063485B2Fixing deviceHAZEYAMA TOMOAKI·Filed 2013·Granted Jun 23, 2015·2 cites·14 claims
- 0974US9488940B2Fixing device with temperature sensor fitted in a recess of a nip plateMARUYAMA YASUHIRO·Filed 2013·Granted Nov 8, 2016·2 cites·11 claims
- 1067US8532546B2Developer supply device and image forming apparatus having the sameNISHIGAKI YUJI·Filed 2011·Granted Sep 10, 2013·2 cites·12 claims
- 1167US4980757AImage processing apparatus for gradation processing of an image signal to output a pulse width modulated signalCANON KK·Filed 1989·Granted Dec 25, 1990·20 cites·37 claims
- 1264US5447117ACrystal article, method for producing the same and semiconductor device utilizing the sameCANON KK·Filed 1994·Granted Sep 5, 1995·35 cites·52 claims
- 1357US9195189B2Fixing deviceBROTHER IND LTD·Filed 2015·Granted Nov 24, 2015·0 cites·17 claims
- 1452US5363799AMethod for growth of crystalCANON KK·Filed 1992·Granted Nov 15, 1994·21 cites·10 claims
- 1549US9008548B2Fixing device provided with reinforced nip memberBROTHER IND LTD·Filed 2014·Granted Apr 14, 2015·0 cites·14 claims
- 1649US4365015APhotosensitive member for electrophotography composed of a photoconductive amorphous siliconCANON KK·Filed 1980·Granted Dec 21, 1982·7 cites·13 claims
- 1749US4335195AElectrophotosensitive element has resin encapsulated CdS particles in binding resinCANON KK·Filed 1980·Granted Jun 15, 1982·7 cites·2 claims
- 1848US9091978B2Fixing device provided with stay having rigidity distributionBROTHER IND LTD·Filed 2014·Granted Jul 28, 2015·0 cites·20 claims
- 1945US9188919B2Fixing device provided with rotating member having concave shapeBROTHER IND LTD·Filed 2014·Granted Nov 17, 2015·0 cites·27 claims
- 2044US9116475B2Fixing device fixing transferred developing agent image to sheetBROTHER IND LTD·Filed 2014·Granted Aug 25, 2015·0 cites·20 claims
- 2142US11932509B2Conveyer and image recording apparatusBROTHER IND LTD·Filed 2021·Granted Mar 19, 2024·0 cites·8 claims
- 2242US4347296AElectrophotographic photosensitive member and electrophotographic processCANON KK·Filed 1980·Granted Aug 31, 1982·5 cites·8 claims
- 2341US4592984AMultilayer electrophotographic photosensitive memberCANON KK·Filed 1984·Granted Jun 3, 1986·4 cites·25 claims
- 2438US2021179380A1Sheet conveyor and image forming systemBROTHER IND LTD·Filed 2020·Application pending·0 cites
- 2531US4439504AElectrophotographic photosensitive member and color electrophotographic processCANON KK·Filed 1981·Granted Mar 27, 1984·1 cites·6 claims
- 2630US4352875AVoltage distribution difference electrophotographic processCANON KK·Filed 1981·Granted Oct 5, 1982·0 cites·5 claims
- 2730US4347297AElectrophotographic method and elementCANON KK·Filed 1980·Granted Aug 31, 1982·0 cites·6 claims
- 2828US4409310ASurface doped inorganic electrophotographic photosensitive particles in binderCANON KK·Filed 1982·Granted Oct 11, 1983·1 cites·5 claims
- 2928US4316948APhotoconductive CdS powder material for electrophotographyCANON KK·Filed 1980·Granted Feb 23, 1982·1 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Yuji Nishigaki 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 →