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Shiroishi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Reflector, surface emitting laser, method for manufacturing reflect...
Patent number
11,245,249
Issue date
Feb 8, 2022
Ricoh Company, Ltd.
Takeshi Kawashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device, surface-emission laser diode,...
Patent number
8,293,555
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Takashi Takahashi
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
Semiconductor light-emitting device, surface-emission laser diode,...
Patent number
7,968,362
Issue date
Jun 28, 2011
Ricoh Company, Ltd.
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Vertical-cavity, surface-emission type laser diode and fabrication...
Patent number
7,940,827
Issue date
May 10, 2011
Ricoh Company, Ltd.
Shunichi Sato
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor light emitter
Patent number
7,872,270
Issue date
Jan 18, 2011
Ricoh Company, Ltd.
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Vertical-cavity, surface-emission type laser diode and fabrication...
Patent number
7,848,377
Issue date
Dec 7, 2010
Ricoh Company, Ltd.
Shunichi Sato
Information
Patent Grant
Semiconductor light emitter
Patent number
7,714,338
Issue date
May 11, 2010
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vertical-cavity, surface-emission type laser diode and fabrication...
Patent number
7,519,095
Issue date
Apr 14, 2009
Ricoh Company, Ltd.
Shunichi Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating a semiconductor light-emitting device
Patent number
7,453,096
Issue date
Nov 18, 2008
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vertical-cavity surface-emission type laser diode and fabrication p...
Patent number
7,260,137
Issue date
Aug 21, 2007
Ricoh Company, Ltd.
Shunichi Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitter
Patent number
7,235,816
Issue date
Jun 26, 2007
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device, surface-emission laser diode,...
Patent number
7,180,100
Issue date
Feb 20, 2007
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device, surface-emission laser diode,...
Patent number
7,067,846
Issue date
Jun 27, 2006
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vertical-cavity, surface-emission type laser diode and fabrication...
Patent number
7,022,539
Issue date
Apr 4, 2006
Ricoh Company, Ltd.
Shunichi Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitter
Patent number
6,927,412
Issue date
Aug 9, 2005
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device, surface-emission laser diode,...
Patent number
6,765,232
Issue date
Jul 20, 2004
Ricoh Company, Ltd.
Takashi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vertical-cavity, surface-emission type laser diode and fabrication...
Patent number
6,674,785
Issue date
Jan 6, 2004
Ricoh Company, Ltd.
Shunichi Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a thin-film platinum temperature-sensitive resi...
Patent number
6,203,673
Issue date
Mar 20, 2001
Ricoh Company, Ltd.
Hiroyoshi Shoji
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Thin-film microstructure sensor having a temperature-sensitive resi...
Patent number
6,118,166
Issue date
Sep 12, 2000
Ricoh Company, Ltd.
Hiroyoshi Shoji
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Calibration method of a flow sensor output
Patent number
5,983,700
Issue date
Nov 16, 1999
Ricoh Company Ltd.
Takayuki Yamaguchi
G01 - MEASURING TESTING
Information
Patent Grant
Flow sensor having an intermediate heater between two temperature-s...
Patent number
5,852,239
Issue date
Dec 22, 1998
Ricoh Company, Ltd.
Yukito Sato
G01 - MEASURING TESTING
Information
Patent Grant
Flow sensor apparatus including a thin film sensor
Patent number
5,804,720
Issue date
Sep 8, 1998
Ricoh Company, Ltd.
Kaminishi Morimasa
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor thin film sensor device with (110) plane
Patent number
5,793,073
Issue date
Aug 11, 1998
Ricoh Co., Ltd.
Morimasa Kaminishi
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, DISPLAY DEVICE, HEAD-M...
Publication number
20230299561
Publication date
Sep 21, 2023
Takeshi KAWASHIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
REFLECTING MIRROR, VERTICAL CAVITY SURFACE EMITTING LASER, VERTICAL...
Publication number
20230065551
Publication date
Mar 2, 2023
Morimasa KAMINISHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REFLECTOR, SURFACE EMITTING LASER, METHOD FOR MANUFACTURING REFLECT...
Publication number
20190273360
Publication date
Sep 5, 2019
Takeshi Kawashima
F21 - LIGHTING
Information
Patent Application
Semiconductor Light-Emitting Device, Surface-Emission Laser Diode,...
Publication number
20120040515
Publication date
Feb 16, 2012
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
SURFACE EMITTING LASER ELEMENT, SURFACE EMITTING LASER ARRAY, OPTIC...
Publication number
20110176122
Publication date
Jul 21, 2011
RICOH COMPANY, LTD.
Morimasa KAMINISHI
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTER
Publication number
20100158064
Publication date
Jun 24, 2010
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE, SURFACE-EMISSION LASER DIODE,...
Publication number
20090286342
Publication date
Nov 19, 2009
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
VERTICAL-CAVITY, SURFACE-EMISSION TYPE LASER DIODE AND FABRICATION...
Publication number
20090168828
Publication date
Jul 2, 2009
RICOH COMPANY, LTD.,
Shunichi Sato
B82 - NANO-TECHNOLOGY
Information
Patent Application
Vertical-cavity, surface-emission type laser diode and fabrication...
Publication number
20070263689
Publication date
Nov 15, 2007
Shunichi Sato
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light emitter
Publication number
20070221908
Publication date
Sep 27, 2007
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light-emitting device, surface-emission laser diode,...
Publication number
20060261352
Publication date
Nov 23, 2006
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Vertical-cavity surface-emission type laser diode and fabrication p...
Publication number
20060134817
Publication date
Jun 22, 2006
Shunichi Sato
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light emitter
Publication number
20050230674
Publication date
Oct 20, 2005
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light-emitting device, surface-emission laser diode,...
Publication number
20050040413
Publication date
Feb 24, 2005
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light-emitting device, surface-emission laser diode,...
Publication number
20040238832
Publication date
Dec 2, 2004
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light emitter
Publication number
20040135136
Publication date
Jul 15, 2004
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Vertical-cavity, surface-emission type laser diode and fabrication...
Publication number
20040065888
Publication date
Apr 8, 2004
RICOH COMPANY, LTD.
Shunichi Sato
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light-emitting device, surface-emission laser diode,...
Publication number
20030006429
Publication date
Jan 9, 2003
Takashi Takahashi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Verticle-cavity, surface-emission type laser diode and fabrication...
Publication number
20020074631
Publication date
Jun 20, 2002
Ricoh Company, Ltd.
Shunichi Sato
B82 - NANO-TECHNOLOGY