Kenichi Kasahara

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Planar optical mesh-connected tree interconnect network
- Patent number 5,532,856
- Issue date Jul 2, 1996
- NEC Research Institute, Inc.
- Yao Li
- G02 - OPTICS
Information Patent Grant
Method for fabricating semiconductor laser and photo detecting arra...
- Patent number 5,527,732
- Issue date Jun 18, 1996
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device having device regions and diffraction...
- Patent number 5,434,434
- Issue date Jul 18, 1995
- NEC Corporation
- Kenichi Kasahara
- G02 - OPTICS
Information Patent Grant
Surface emitting photonic switching structure
- Patent number 5,424,559
- Issue date Jun 13, 1995
- NEC Corporation
- Kenichi Kasahara
- G02 - OPTICS
Information Patent Grant
Surface emitting semiconductor laser
- Patent number 5,394,423
- Issue date Feb 28, 1995
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor surface light emitting and receiving heterojunction d...
- Patent number 5,340,998
- Issue date Aug 23, 1994
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driving method and apparatus for a pnpn semiconductor device
- Patent number 5,153,758
- Issue date Oct 6, 1992
- NEC Corporation
- Yoshiharu Tashiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor layer comprising cyclically stacked narrow, intermedi...
- Patent number 5,136,345
- Issue date Aug 4, 1992
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical interconnection apparatus
- Patent number 5,093,875
- Issue date Mar 3, 1992
- NEC Corporation
- Ichiro Ogura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor optical memory having a low switching voltage
- Patent number 5,084,748
- Issue date Jan 28, 1992
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for driving a pnpn semiconductor device
- Patent number 5,065,044
- Issue date Nov 12, 1991
- NEC Corporation
- Kenichi Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical logic device with PNPN detection and laser diode output
- Patent number 5,059,788
- Issue date Oct 22, 1991
- NEC Corporation
- Yoshiharu Tashiro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device for a space modulation matrix and method for d...
- Patent number 5,028,969
- Issue date Jul 2, 1991
- NEC Corporation
- Kenichi Kasahara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Circuit for driving a gated p-n-p-n device
- Patent number 5,021,694
- Issue date Jun 4, 1991
- NEC Corporation
- Yoshiharu Toshiro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical semiconductor device
- Patent number 4,910,571
- Issue date Mar 20, 1990
- NEC Corporation
- Kenichi Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for controlling an optical pnpn thyristor to be driven
- Patent number 4,864,168
- Issue date Sep 5, 1989
- NEC Corporation
- Kenichi Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
PNPN thyristor
- Patent number 4,829,357
- Issue date May 9, 1989
- NEC Corporation
- Kenichi Kasahara
- G02 - OPTICS

Kenichi Kasahara

Person

Patents Grantslast 30 patents

Planar optical mesh-connected tree interconnect network

Method for fabricating semiconductor laser and photo detecting arra...

Semiconductor optical device having device regions and diffraction...

Surface emitting photonic switching structure

Surface emitting semiconductor laser

Semiconductor surface light emitting and receiving heterojunction d...

Driving method and apparatus for a pnpn semiconductor device

Semiconductor layer comprising cyclically stacked narrow, intermedi...

Optical interconnection apparatus

Semiconductor optical memory having a low switching voltage

Method for driving a pnpn semiconductor device

Optical logic device with PNPN detection and laser diode output

Semiconductor device for a space modulation matrix and method for d...

Circuit for driving a gated p-n-p-n device

Optical semiconductor device

Process for controlling an optical pnpn thyristor to be driven

PNPN thyristor