Inventor

Michitaka Setani

Inventor

Kawasaki, JP

Overview

23→

Patents

1987–2005

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television35%

G02BOptical elements, systems or apparatus32%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

G03GElectrography5%

G11BInformation storage based on relative movement between record carrier and transducer5%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

G06KGraphical data reading3%

H05BElectric heating3%

H10KOrganic electric solid-state devices3%

PatentTitleYear

6,858,983'Display device having conical transparent members covering electroluminescent elements'2005 6,624,943'Diffractive optical element and optical system having the same'2003 6,590,708'Lens system having diffracting surface and refracting surface and optical apparatus using the lens system'2003 6,246,859'Original sensing device and sensing device'2001 6,016,222'Color image reading apparatus'2000 5,737,113'Optical modulators and color image display device employing the same'1998 5,471,321'Color image reading device'1995 5,362,957'Image reading apparatus'1994 5,329,384'Color image reading apparatus with volume hologram'1994 5,223,703'Image reader with color decomposing blazed diffraction grating'1993 5,221,835'Image reading apparatus having a reflective blazed diffraction grating with varied pitch'1993 5,187,358'Image reading device having a telecentric optical system and a blazed diffraction grating'1993 5,177,349'Image reading apparatus utilizing a four step or more staircase diffraction grating structure'1993 5,173,599'Color image reading apparatus with blazed diffraction grating'1992 5,150,250'Light scanning optical system for an image output scanner using an electro-mechanical light modulator'1992 5,119,129'Image forming apparatus with selectable first and second optical forming means'1992 5,113,067'Image reading apparatus having a blazed diffraction grating'1992 4,991,030'Image reading apparatus capable of reading a projected image and having means for diffusing the projected luminous flux'1991 4,963,464'Optical medium having pits of different depths, and method and apparatus for reproducing information therefrom'1990 4,775,204'Light scanning optical system of an image output scanner using an electro-mechanical light modulator'1988 4,755,013'Light scanning optical system of an image output scanner using an electro mechanical light modulator'1988 4,719,488'Imaging optical system using distributed index optical elements'1988 4,641,944'Image exposing apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2005Patents assigned to CANON KK (23)· patent assignee history

1987–2003Based in Kawasaki, JP· patent location history

2005Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	23	1987–2005

Locations

Location	Patents	Span
Kawasaki, JP	22	1987–2003
Kanagawa, JP	1	2005