Inventor
Shigeru Kawasaki
Inventor
Yokohama, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television44%
G02BOptical elements, systems or apparatus19%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
F21VFunctional features or details of lighting devices or systems thereof9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
G03GElectrography3%
PatentTitleYear
10,805,500Image reading device202010,419,639Image reading apparatus that calculates correction values for correcting outputs of light receiving elements, and shading correcting method for correcting an image reading apparatus20198,837,008'Image reading apparatus'20147,161,716'Image reading apparatus'20077,136,201'Original pressing apparatus and its application'20066,952,292'Image reading apparatus and method of supporting image reading unit'20056,717,702'Image reading apparatus'20046,631,014'Image reading apparatus'20036,229,646'Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit'20015,833,341'Illuminating optical system and projector utilizing the same'19985,749,642'Illuminating optical system and projector utilizing the same'19985,692,819'Illuminating device and projector utilizing the same'19975,590,942'Polarizing conversion unit, illuminating device and projector using them'19975,566,367'Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit'19965,461,500'Polarization converting apparatus and optical instrument having the same'19955,387,991'Polarization converting device and polarized-light illuminating system using the device and image display unit using the device'19955,241,416'Screen and projector using said screen'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2020Patents assigned to CANON KK (17)· patent assignee history
1993–2001Based in Atsugi, JP· patent location history
1997–1998Based in Isehara, JP· patent location history
1997Based in Kawasaki, JP· patent location history
2003–2020Based in Yokohama, JP· patent location history
2005–2006Based in Kanagawa, JP· patent location history
2014Patents assigned to KAWASAKI SHIGERU (1)· patent assignee history
2014Patents assigned to TAKAHARA HIROYUKI (1)· patent assignee history
2014Patents assigned to YOSHIDA TSUYOSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 17 | 1993–2020 |
| KAWASAKI SHIGERUself | 1 | 2014 |
| TAKAHARA HIROYUKI | 1 | 2014 |
| YOSHIDA TSUYOSHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 6 | 2003–2020 |
| Atsugi, JP | 5 | 1993–2001 |
| Isehara, JP | 3 | 1997–1998 |
| Kanagawa, JP | 2 | 2005–2006 |
| Kawasaki, JP | 1 | 1997 |