Taira Kouchiwa

Person

Kamakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,667,868
- Issue date Feb 23, 2010
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 7,245,311
- Issue date Jul 17, 2007
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning lens, optical scanning device and image forming ap...
- Patent number 7,072,127
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Hiroyuki Suhara
- G02 - OPTICS
Information Patent Grant
Optical scanning lens, optical scanning device and image forming ap...
- Patent number 6,870,652
- Issue date Mar 22, 2005
- Ricoh Company, Ltd.
- Hiroyuki Suhara
- G02 - OPTICS
Information Patent Grant
Image forming apparatus with overlapped light fluxes forming a dot
- Patent number 6,803,941
- Issue date Oct 12, 2004
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning lens, optical scanning device and image forming ap...
- Patent number 6,744,545
- Issue date Jun 1, 2004
- Ricoh Company, Ltd.
- Hiroyuki Suhara
- G02 - OPTICS
Information Patent Grant
Optical scanning lens, optical scanning device and image forming ap...
- Patent number 6,400,391
- Issue date Jun 4, 2002
- Ricoh Company, Ltd.
- Hiroyuki Suhara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device, image forming apparatus and optical scanni...
- Patent number 6,233,081
- Issue date May 15, 2001
- Ricoh Company Ltd.
- Seizo Suzuki
- G02 - OPTICS
Information Patent Grant
Reading lens for scanner
- Patent number 5,311,364
- Issue date May 10, 1994
- Ricoh Company, Ltd.
- Yuichiro Kanoshima
- G02 - OPTICS
Information Patent Grant
Large aperture lens system for use in a copier
- Patent number 4,859,044
- Issue date Aug 22, 1989
- Ricoh Company, Ltd.
- Taira Kouchiwa
- G02 - OPTICS
Information Patent Grant
Plastic lens assembly for use in copying machines
- Patent number 4,753,522
- Issue date Jun 28, 1988
- Ricoh Company, Ltd.
- Kiichiro Nishina
- G02 - OPTICS
Information Patent Grant
Copying lens with a wide angle of view
- Patent number 4,738,517
- Issue date Apr 19, 1988
- Ricoh Company, Ltd.
- Kiichiro Nishina
- G02 - OPTICS
Information Patent Grant
Color separating lens composed of three lens units
- Patent number 4,711,536
- Issue date Dec 8, 1987
- Ricoh Company, Ltd.
- Taira Kouchiwa
- G02 - OPTICS
Information Patent Grant
Wide angle copying lens system
- Patent number 4,690,518
- Issue date Sep 1, 1987
- Ricoh Company, Ltd.
- Taira Kouchiwa
- G02 - OPTICS
Information Patent Grant
Apparatus for reading the image information of a colored original
- Patent number 4,647,961
- Issue date Mar 3, 1987
- Ricoh Company Ltd.
- Yoshiaki Kammoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fringe scanning shearing interferometer
- Patent number 4,643,576
- Issue date Feb 17, 1987
- Ricoh Company Ltd.
- Toshio Kanoh
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20060232659
- Publication date Oct 19, 2006
- Yoshinori Hayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Optical scanning lens, optical scanning device and image forming ap...
- Publication number 20050128615
- Publication date Jun 16, 2005
- Hiroyuki Suhara
- G02 - OPTICS
Information Patent Application
Image forming apparatus
- Publication number 20040246330
- Publication date Dec 9, 2004
- Yoshinori Hayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanning lens, optical scanning device and image forming ap...
- Publication number 20040196520
- Publication date Oct 7, 2004
- Hiroyuki Suhara
- G02 - OPTICS
Information Patent Application
Optical scanning lens, optical scanning device and image forming ap...
- Publication number 20020163571
- Publication date Nov 7, 2002
- Hiroyuki Suhara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming apparatus
- Publication number 20010013889
- Publication date Aug 16, 2001
- RICOH COMPANY, LTD.
- Yoshinori Hayashi
- G06 - COMPUTING CALCULATING COUNTING

Taira Kouchiwa

Person

Patents Grantslast 30 patents

Optical scanning device and image forming apparatus

Image forming apparatus

Optical scanning lens, optical scanning device and image forming ap...

Optical scanning lens, optical scanning device and image forming ap...

Image forming apparatus with overlapped light fluxes forming a dot

Optical scanning lens, optical scanning device and image forming ap...

Optical scanning lens, optical scanning device and image forming ap...

Optical scanning device, image forming apparatus and optical scanni...

Reading lens for scanner

Large aperture lens system for use in a copier

Plastic lens assembly for use in copying machines

Copying lens with a wide angle of view

Color separating lens composed of three lens units

Wide angle copying lens system

Apparatus for reading the image information of a colored original

Fringe scanning shearing interferometer

Patents Applicationslast 30 patents

Optical scanning device and image forming apparatus

Optical scanning lens, optical scanning device and image forming ap...

Image forming apparatus

Optical scanning lens, optical scanning device and image forming ap...

Optical scanning lens, optical scanning device and image forming ap...

Image forming apparatus