Yasumasa Kashima

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor image sensor
- Patent number 12,154,917
- Issue date Nov 26, 2024
- Optohub Co., Ltd
- Ikuo Kurachi
- H01 - BASIC ELECTRIC ELEMENTS
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 Applicationslast 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

Yasumasa Kashima

Person

Patents Grantslast 30 patents

Semiconductor image sensor

Semiconductor device and method of manufacturing the same

Compound semiconductor light emitting device and process for produc...

Compound semiconductor light emitting device and process for produc...

Method for forming a compound semiconductor device using a buffer l...

Edge emitting led and method of forming the same

Method of manufacturing a light emitting diode to vary band gap ene...

Method of fabricating an abrupt hetero interface by organometallic...

Edge emitting LED having a selective-area growth optical absorption...

Light emitting diode having light-emitting and light-absorbing regions

Superluminescent diode

Light-emitting diode

Patents Applicationslast 30 patents

PHOTO DETECTION DEVICE

SEMICONDUCTOR IMAGE SENSOR

Compound semiconductor light emitting device and process for produc...

COMPOUND SEMICONDUCTOR LIGHT EMITTING DEVICE AND PROCESS FOR PRODUC...