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Akira Higuchi
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical semiconductor element and method of driving optical semicon...
Patent number
10,840,406
Issue date
Nov 17, 2020
Hamamatsu Photonics K.K.
Masamichi Yamanishi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Semiconductor laser device
Patent number
10,404,037
Issue date
Sep 3, 2019
Hamamatsu Photonics K.K.
Akira Higuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photocathode, electron tube, field assist type photocathode, field...
Patent number
8,482,197
Issue date
Jul 9, 2013
Hamamatsu Photonics K.K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photocathode, electron tube, field assist type photocathode, field...
Patent number
8,446,094
Issue date
May 21, 2013
Hamamatsu Photonics K.K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
8,330,140
Issue date
Dec 11, 2012
Hamamatsu Photonics K.K.
Tadataka Edamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Waveguide structure and optical device
Patent number
7,787,735
Issue date
Aug 31, 2010
Hamamatsu Photonics K.K.
Hiroyasu Fujiwara
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Photodetector having first and second antenna areas with patterns h...
Patent number
7,557,336
Issue date
Jul 7, 2009
Hamamatsu Photonics K.K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL UNIT, AND METHOD FOR MANUFACT...
Publication number
20230079029
Publication date
Mar 16, 2023
HAMAMATSU PHOTONICS K. K.
Akira HIGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUPERLUMINESCENT DIODE
Publication number
20200395501
Publication date
Dec 17, 2020
Hamamatsu Photonics K.K.
Masamichi YAMANISHI
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR LASER DEVICE
Publication number
20190013647
Publication date
Jan 10, 2019
HAMAMATSU PHOTONICS K. K.
Akira HIGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF DRIVING OPTICAL SEMICON...
Publication number
20180301591
Publication date
Oct 18, 2018
HAMAMATSU PHOTONICS K. K.
Masamichi YAMANISHI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20110024721
Publication date
Feb 3, 2011
HAMAMATSU PHOTONICS K. K.
Tadataka Edamura
B82 - NANO-TECHNOLOGY
Information
Patent Application
PHOTOCATHODE, ELECTRON TUBE, FIELD ASSIST TYPE PHOTOCATHODE, FIELD...
Publication number
20100148667
Publication date
Jun 17, 2010
HAMAMATSU PHOTONICS K. K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Photocathode, electron tube, field assist type photocathode, field...
Publication number
20080042563
Publication date
Feb 21, 2008
Hamamatsu Photonics K.K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Waveguide structure and optical device
Publication number
20080013878
Publication date
Jan 17, 2008
Hamamatsu Photonics K.K.
Hiroyasu Fujiwara
G02 - OPTICS
Information
Patent Application
Photodetector
Publication number
20070262239
Publication date
Nov 15, 2007
Hamamatsu Photonics K.K.
Minoru Niigaki
H01 - BASIC ELECTRIC ELEMENTS