Kiyoyuki Kawai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fiber laser apparatus as well as optical multi/demultiplexer and im...
- Patent number 6,829,256
- Issue date Dec 7, 2004
- Kabushiki Kaisha Toshiba
- Tooru Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Up-conversion laser
- Patent number 6,650,677
- Issue date Nov 18, 2003
- Kabushiki Kaisha Toshiba
- Ken Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Induction charge mirror
- Patent number 6,525,759
- Issue date Feb 25, 2003
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- G02 - OPTICS
Information Patent Grant
Semiconductor light emitting element coupled with optical fiber
- Patent number 6,483,968
- Issue date Nov 19, 2002
- Kabushiki Kaisha Toshiba
- Kazuyoshi Fuse
- G02 - OPTICS
Information Patent Grant
Semiconductor light emitting element coupled with optical fiber
- Patent number 6,345,139
- Issue date Feb 5, 2002
- Kabushiki Kaisha Toshiba
- Kazuyoshi Fuse
- G02 - OPTICS
Information Patent Grant
Optical fiber output semiconductor device
- Patent number 6,345,138
- Issue date Feb 5, 2002
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- G02 - OPTICS
Information Patent Grant
Upconversion fiber laser apparatus
- Patent number 6,320,885
- Issue date Nov 20, 2001
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Processing apparatus for progressive scan generation of a televisio...
- Patent number 5,534,935
- Issue date Jul 9, 1996
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal processor for converting the number of scanning l...
- Patent number 5,402,186
- Issue date Mar 28, 1995
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital oscillator and color subcarrier demodulation circuit having...
- Patent number 5,355,171
- Issue date Oct 11, 1994
- Kabushiki Kaisha Toshiba
- Toru Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-definition television signal processing system for transmittin...
- Patent number 5,204,745
- Issue date Apr 20, 1993
- Nippon Television Network Corp.
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexed signal receiving apparatus
- Patent number 5,182,644
- Issue date Jan 26, 1993
- Nippon Television Network Corp.
- Yoshihide Kimata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexed signal transmitting and receiving apparatus
- Patent number 5,179,443
- Issue date Jan 12, 1993
- Nippon Television Network Corp.
- Yoshio Sugimori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal multiplexing and demultiplexing system
- Patent number 5,177,597
- Issue date Jan 5, 1993
- Kabushiki Kaisha Toshiba
- Yoshihiko Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compatible television system with companding auxiliary signal
- Patent number 5,161,003
- Issue date Nov 3, 1992
- Kabushiki Kaisha Toshiba
- Seijiro Yasuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal scanning line converting apparatus
- Patent number 5,157,490
- Issue date Oct 20, 1992
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time base conversion circuit
- Patent number 5,153,845
- Issue date Oct 6, 1992
- Kabushiki Kaisha Toshiba
- Yoshihiko Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Addition signal multiplexing apparatus for a television system
- Patent number 5,146,327
- Issue date Sep 8, 1992
- Kabushiki Kaisha Toshiba
- Yoshio Sugimori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital video signal noise-reduction apparatus with high pass and l...
- Patent number 5,107,340
- Issue date Apr 21, 1992
- Kabushiki Kaisha Toshiba
- Toru Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Widescreen time-compressed/time-expanded television signal transmit...
- Patent number 5,079,632
- Issue date Jan 7, 1992
- Kawasaki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Band compressing/restoring apparatus
- Patent number 5,068,725
- Issue date Nov 26, 1991
- Kabushiki Kaisha Toshiba
- Yoshihiko Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency-division multiplexing arrangement for preventing interfer...
- Patent number 5,067,018
- Issue date Nov 19, 1991
- Kabushiki Kaisha Toshiba
- Noriya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement for permitting multiplexing of an additional signal on...
- Patent number 5,061,998
- Issue date Oct 29, 1991
- Kabushiki Kaisha Toshiba
- Seijiro Yasuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Band width compressing/reproducing system with fields for different...
- Patent number 5,019,902
- Issue date May 28, 1991
- Kabushiki Kaisha Toshiba
- Seijiro Yasuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color television system
- Patent number 5,014,116
- Issue date May 7, 1991
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal transmitting and receiving system
- Patent number 5,012,326
- Issue date Apr 30, 1991
- Kabushiki Kaisha Toshiba
- Noriya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sync-signal reproducing circuit for use in television receiver
- Patent number 4,977,445
- Issue date Dec 11, 1990
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sample rate conversion system having interpolation function with ph...
- Patent number 4,954,824
- Issue date Sep 4, 1990
- Kabushiki Kaisha Toshiba
- Masahiro Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Motion-adaptive type signal separator with data companding function
- Patent number 4,870,482
- Issue date Sep 26, 1989
- Kabushiki Kaisha Toshiba
- Seijiro Yasuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sample rate conversion system having interpolation function
- Patent number 4,870,661
- Issue date Sep 26, 1989
- Kabushiki Kaisha Toshiba
- Masahiro Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hingeless mirror decice and method of controlling the same
- Publication number 20050041279
- Publication date Feb 24, 2005
- Kabushiki Kaisha Toshiba
- Kiyoyuki Kawai
- G02 - OPTICS
Information Patent Application
Fiber laser apparatus, image display apparatus and method of exciti...
- Publication number 20040156402
- Publication date Aug 12, 2004
- Kabushiki Kaisha Toshiba
- Masaki Tsuchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser apparatus, semiconductor laser control method,...
- Publication number 20040105482
- Publication date Jun 3, 2004
- Kabushiki Kaisha Toshiba
- Tooru Sugiyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Fiber laser apparatus
- Publication number 20040095969
- Publication date May 20, 2004
- Kabushiki Kaisha Toshiba
- Nobuaki Kaji
- G02 - OPTICS
Information Patent Application
Fiber laser apparatus as well as optical multi/demultiplexer and im...
- Publication number 20030086446
- Publication date May 8, 2003
- Tooru Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT COUPLED WITH OPTICAL FIBER
- Publication number 20020061169
- Publication date May 23, 2002
- Kabushiki Kaisha Toshiba
- Kazuyoshi Fuse
- G02 - OPTICS
Information Patent Application
Induction charge mirror
- Publication number 20020051053
- Publication date May 2, 2002
- Kiyoyuki Kawai
- G02 - OPTICS
Information Patent Application
Side pumping laser light source
- Publication number 20020037134
- Publication date Mar 28, 2002
- Kabushiki Kaisha Toshiba
- Naoki Akamatsu
- G02 - OPTICS

Kiyoyuki Kawai

Person

Patents Grantslast 30 patents

Fiber laser apparatus as well as optical multi/demultiplexer and im...

Up-conversion laser

Induction charge mirror

Semiconductor light emitting element coupled with optical fiber

Semiconductor light emitting element coupled with optical fiber

Optical fiber output semiconductor device

Upconversion fiber laser apparatus

Processing apparatus for progressive scan generation of a televisio...

Television signal processor for converting the number of scanning l...

Digital oscillator and color subcarrier demodulation circuit having...

High-definition television signal processing system for transmittin...

Multiplexed signal receiving apparatus

Multiplexed signal transmitting and receiving apparatus

Television signal multiplexing and demultiplexing system

Compatible television system with companding auxiliary signal

Television signal scanning line converting apparatus

Time base conversion circuit

Addition signal multiplexing apparatus for a television system

Digital video signal noise-reduction apparatus with high pass and l...

Widescreen time-compressed/time-expanded television signal transmit...

Band compressing/restoring apparatus

Frequency-division multiplexing arrangement for preventing interfer...

Arrangement for permitting multiplexing of an additional signal on...

Band width compressing/reproducing system with fields for different...

Color television system

Television signal transmitting and receiving system

Sync-signal reproducing circuit for use in television receiver

Sample rate conversion system having interpolation function with ph...

Motion-adaptive type signal separator with data companding function

Sample rate conversion system having interpolation function

Patents Applicationslast 30 patents

Hingeless mirror decice and method of controlling the same

Fiber laser apparatus, image display apparatus and method of exciti...

Semiconductor laser apparatus, semiconductor laser control method,...

Fiber laser apparatus

Fiber laser apparatus as well as optical multi/demultiplexer and im...

SEMICONDUCTOR LIGHT EMITTING ELEMENT COUPLED WITH OPTICAL FIBER

Induction charge mirror

Side pumping laser light source