Membership
Tour
Register
Log in
Yasumasa Kashima
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
6,570,189
Issue date
May 27, 2003
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and process for produc...
Patent number
6,562,649
Issue date
May 13, 2003
Oki Electric Industry Co., Ltd.
Tsutomu Munakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and process for produc...
Patent number
6,470,038
Issue date
Oct 22, 2002
Oki Electric Industry Co., Ltd.
Tsutomu Munakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming a compound semiconductor device using a buffer l...
Patent number
6,083,813
Issue date
Jul 4, 2000
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
C30 - CRYSTAL GROWTH
Information
Patent Grant
Edge emitting led and method of forming the same
Patent number
6,013,539
Issue date
Jan 11, 2000
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing a light emitting diode to vary band gap ene...
Patent number
6,008,066
Issue date
Dec 28, 1999
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating an abrupt hetero interface by organometallic...
Patent number
5,994,158
Issue date
Nov 30, 1999
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
C30 - CRYSTAL GROWTH
Information
Patent Grant
Edge emitting LED having a selective-area growth optical absorption...
Patent number
5,889,294
Issue date
Mar 30, 1999
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Light emitting diode having light-emitting and light-absorbing regions
Patent number
5,828,085
Issue date
Oct 27, 1998
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Superluminescent diode
Patent number
5,034,955
Issue date
Jul 23, 1991
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting diode
Patent number
4,975,752
Issue date
Dec 4, 1990
Oki Electric Industry Co., Ltd.
Yasumasa Kashima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PHOTO DETECTION DEVICE
Publication number
20240145519
Publication date
May 2, 2024
Optohub Co., Ltd
Ikuo KURACHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR IMAGE SENSOR
Publication number
20220199661
Publication date
Jun 23, 2022
Optohub Co., Ltd
Ikuo KURACHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor light emitting device and process for produc...
Publication number
20030002554
Publication date
Jan 2, 2003
Tsutomu Munakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR LIGHT EMITTING DEVICE AND PROCESS FOR PRODUC...
Publication number
20010040908
Publication date
Nov 15, 2001
TSUTOMU MUNAKATA
H01 - BASIC ELECTRIC ELEMENTS