Inventor · disambiguated record
Keiji Nagata
Also filed as: NAGATA KEIJI
23 granted patents·1 pending application·237 citations·filing 1982–2025
96Inventor score
Files withCANON KK12MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4NAGATA KEIJI4MATSUSHITA ELECTRONICS CORP2SANYO ELECTRIC CO1
Top patents by PatentIndex Score
24 records- 0188US8319305B2Solid-state image sensing apparatusNAGATA KEIJI·Filed 2010·Granted Nov 27, 2012·5 cites·6 claims
- 0286US5696998AOptical apparatus equipped with sight line detectorCANON KK·Filed 1995·Granted Dec 9, 1997·17 cites·12 claims
- 0383US4955681AImage display apparatus having sheet like vertical and horizontal deflection electrodesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 11, 1990·33 cites·10 claims
- 0478US8653617B2Solid-state image sensing apparatusCANON KK·Filed 2012·Granted Feb 18, 2014·1 cites·4 claims
- 0574US8203629B2Image sensing apparatus and correction methodNAGATA KEIJI·Filed 2007·Granted Jun 19, 2012·4 cites·6 claims
- 0673US9277151B2Solid-state image sensor with an effective pixel area, and image pickup apparatusCANON KK·Filed 2013·Granted Mar 1, 2016·2 cites·14 claims
- 0771US5579079AOptical apparatus equipped with sight line detectorCANON KK·Filed 1995·Granted Nov 26, 1996·24 cites·29 claims
- 0870US8854510B2Image pickup apparatus, focus detection method, image generation method, and storage mediumNAGATA KEIJI·Filed 2012·Granted Oct 7, 2014·2 cites·16 claims
- 0968US2025313500A1Wastewater treatment apparatus and wastewater treatment methodSUMITOMO HEAVY INDUSTRIES·Filed 2025·Application pending·0 cites
- 1064US9800861B2Image capture apparatus and image signal processing apparatusNAGATA KEIJI·Filed 2012·Granted Oct 24, 2017·1 cites·18 claims
- 1164US4982134AVideo display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 1, 1991·12 cites·6 claims
- 1262US5983029AOptical apparatus equipped with sight line detectorCANON KK·Filed 1997·Granted Nov 9, 1999·16 cites·22 claims
- 1359US6625397B2Auxiliary light emitting deviceCANON KK·Filed 2001·Granted Sep 23, 2003·6 cites·32 claims
- 1458US5864721AFocus detecting apparatusCANON KK·Filed 1997·Granted Jan 26, 1999·21 cites·16 claims
- 1558US5839001AFocus detecting apparatusCANON KK·Filed 1996·Granted Nov 17, 1998·21 cites·7 claims
- 1657US6577344B2Focus state detection apparatus with image sensing device controlsCANON KK·Filed 1997·Granted Jun 10, 2003·20 cites·59 claims
- 1756US5771402AOptical apparatus equipped with sight line detectorCANON KK·Filed 1997·Granted Jun 23, 1998·3 cites·8 claims
- 1851US5771413AFocus detecting apparatusCANON KK·Filed 1996·Granted Jun 23, 1998·16 cites·9 claims
- 1951US5192892APicture display device with a vibration-preventing elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Mar 9, 1993·7 cites·21 claims
- 2049US4495871ATable sliding apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jan 29, 1985·11 cites·3 claims
- 2148US5913080AOptical apparatus equipped with sight line detectorCANON KK·Filed 1998·Granted Jun 15, 1999·8 cites·13 claims
- 2239US5986393ACathode ray tube and method of manufacturing the sameMATSUSHITA ELECTRONICS CORP·Filed 1997·Granted Nov 16, 1999·4 cites·3 claims
- 2336US6213836B1Cathode ray tube and method for manufacturing the sameMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted Apr 10, 2001·3 cites·3 claims
- 2434US7187631B2Disc apparatus for reproducing a signal on a disc using a laser beamSANYO ELECTRIC CO·Filed 2002·Granted Mar 6, 2007·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Keiji Nagata 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 →