Inventor
Keiji Nagata
Inventor
Yokohama, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus19%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
H01JElectric discharge tubes or discharge lamps9%
H04NPictorial communication, e.g. television8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
G07FCoin-freed or like apparatus4%
H04WWireless communication networks4%
B23DPlaning2%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%
PatentTitleYear
10,991,251Parking meter monitoring and payment system202110,893,555Vehicles and methods identifying a service device in communication with a vehicle20219,800,861'Image capture apparatus and image signal processing apparatus'20179,277,151'Solid-state image sensor with an effective pixel area, and image pickup apparatus'20168,854,510'Image pickup apparatus, focus detection method, image generation method, and storage medium'20148,653,617'Solid-state image sensing apparatus'20148,319,305'Solid-state image sensing apparatus'20128,203,629'Image sensing apparatus and correction method'20127,187,631'Disc apparatus for reproducing a signal on a disc using a laser beam'20076,625,397'Auxiliary light emitting device'20036,577,344'Focus state detection apparatus with image sensing device controls'20036,213,836'Cathode ray tube and method for manufacturing the same'20015,986,393'Cathode ray tube and method of manufacturing the same'19995,983,029'Optical apparatus equipped with sight line detector'19995,913,080'Optical apparatus equipped with sight line detector'19995,864,721'Focus detecting apparatus'19995,839,001'Focus detecting apparatus'19985,771,402'Optical apparatus equipped with sight line detector'19985,771,413'Focus detecting apparatus'19985,696,998'Optical apparatus equipped with sight line detector'19975,579,079'Optical apparatus equipped with sight line detector'19965,192,892'Picture display device with a vibration-preventing element'19934,982,134'Video display device'19914,955,681'Image display apparatus having sheet like vertical and horizontal deflection electrodes'19904,495,871'Table sliding apparatus'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1993Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1985–1993Based in Hirakata, JP· patent location history
1996–2017Patents assigned to CANON KK (16)· patent assignee history
1996–2017Based in Yokohama, JP· patent location history
1999–2001Patents assigned to MATSUSHITA ELECTRONICS CORP (2)· patent assignee history
1999–2001Patents assigned to MURAMOTO INDUSTRY CO LTD (2)· patent assignee history
1999–2007Based in Osaka, JP· patent location history
2003Based in Kanagawa, JP· patent location history
2012–2017Patents assigned to NAGATA KEIJI (4)· patent assignee history
2021Based in Foster City, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 16 | 1996–2017 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 4 | 1985–1993 |
| NAGATA KEIJIself | 4 | 2012–2017 |
| MATSUSHITA ELECTRONICS CORP | 2 | 1999–2001 |
| MURAMOTO INDUSTRY CO LTD | 2 | 1999–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 15 | 1996–2017 |
| Hirakata, JP | 4 | 1985–1993 |
| Osaka, JP | 3 | 1999–2007 |
| Foster City, California, US | 2 | 2021 |
| Kanagawa, JP | 1 | 2003 |