Kei Hara

Person

Machida-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor stack and vertical cavity surface emitting laser
- Patent number 8,995,489
- Issue date Mar 31, 2015
- Ricoh Company, Ltd.
- Kei Hara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emission laser array, optical scanning apparatus and image...
- Patent number 8,830,287
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-emission laser array, optical scanning apparatus and image...
- Patent number 8,508,567
- Issue date Aug 13, 2013
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-emission laser array, optical scanning apparatus apparatus...
- Patent number 8,089,498
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Vertical cavity surface emitting laser (VCSEL), VCSEL array device,...
- Patent number 7,991,033
- Issue date Aug 2, 2011
- Ricoh Company, Ltd.
- Kei Hara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-emitting laser device and surface-emitting laser array incl...
- Patent number 7,693,204
- Issue date Apr 6, 2010
- Ricoh Company, Ltd.
- Shunichi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image recording body and image forming apparatus by use of the same
- Patent number 7,061,513
- Issue date Jun 13, 2006
- Ricoh Company, Ltd.
- Yasuo Katano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image recording body and image forming apparatus by use of the same
- Patent number 6,961,074
- Issue date Nov 1, 2005
- Ricoh Company, Ltd.
- Yasuo Katano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image recording body and image forming device using the image recor...
- Patent number 6,589,708
- Issue date Jul 8, 2003
- Ricoh Company, Ltd.
- Yasuo Katano
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20130286150
- Publication date Oct 31, 2013
- RICOH COMPANY, LTD.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR STACK AND VERTICAL CAVITY SURFACE EMITTING LASER
- Publication number 20130243024
- Publication date Sep 19, 2013
- RICOH COMPANY, LTD.
- Kei Hara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20120069416
- Publication date Mar 22, 2012
- RICOH COMPANY, LTD.
- Shunichi Sato
- G02 - OPTICS
Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20100060712
- Publication date Mar 11, 2010
- RICOH COMPANY, LTD.
- Shunichi Sato
- G02 - OPTICS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL), VCSEL ARRAY DEVICE,...
- Publication number 20090296768
- Publication date Dec 3, 2009
- RICOH COMPANY, LTD.
- Kei HARA
- B82 - NANO-TECHNOLOGY
Information Patent Application
SURFACE-EMITTING LASER DEVICE AND SURFACE-EMITTING LASER ARRAY INCL...
- Publication number 20070280322
- Publication date Dec 6, 2007
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Application
Image recording body and image forming apparatus by use of the same
- Publication number 20050264641
- Publication date Dec 1, 2005
- Yasuo Katano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image recording body and image forming apparatus by use of the same
- Publication number 20030210322
- Publication date Nov 13, 2003
- Yasuo Katano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image recording body and image forming apparatus by use of the same
- Publication number 20030022106
- Publication date Jan 30, 2003
- Yasuo Katano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Person

Patents Grantslast 30 patents

Semiconductor stack and vertical cavity surface emitting laser

Surface-emission laser array, optical scanning apparatus and image...

Surface-emission laser array, optical scanning apparatus and image...

Surface-emission laser array, optical scanning apparatus apparatus...

Vertical cavity surface emitting laser (VCSEL), VCSEL array device,...

Surface-emitting laser device and surface-emitting laser array incl...

Image recording body and image forming apparatus by use of the same

Image recording body and image forming apparatus by use of the same

Image recording body and image forming device using the image recor...

Patents Applicationslast 30 patents

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

SEMICONDUCTOR STACK AND VERTICAL CAVITY SURFACE EMITTING LASER

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL), VCSEL ARRAY DEVICE,...

SURFACE-EMITTING LASER DEVICE AND SURFACE-EMITTING LASER ARRAY INCL...

Image recording body and image forming apparatus by use of the same

Image recording body and image forming apparatus by use of the same

Image recording body and image forming apparatus by use of the same