Takahiko Yoshida

Person

Ebina, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-display apparatus
- Patent number 5,926,153
- Issue date Jul 20, 1999
- Hitachi, Ltd.
- Tetsu Ohishi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Rear projection type image display apparatus
- Patent number 5,808,704
- Issue date Sep 15, 1998
- Hitachi, Ltd.
- Hiroki Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear projection type image display apparatus and transmission type...
- Patent number 5,613,748
- Issue date Mar 25, 1997
- Hitachi, Ltd.
- Takahiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear projection type image display apparatus and transmission type...
- Patent number 5,590,943
- Issue date Jan 7, 1997
- Hitachi, Ltd.
- Takahiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear-projection screen and a rear projection image display employin...
- Patent number 5,513,037
- Issue date Apr 30, 1996
- Hitachi, Ltd.
- Takahiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear-projection type image display apparatus and rear-projection ty...
- Patent number 5,485,308
- Issue date Jan 16, 1996
- Hitachi, Ltd.
- Koji Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear-projection screen and a rear projection image display employin...
- Patent number 5,400,114
- Issue date Mar 21, 1995
- Hitachi, Ltd.
- Takahiko Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature compensating lens system for projection television
- Patent number 5,272,540
- Issue date Dec 21, 1993
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS
Information Patent Grant
Projection lens system for projection type television
- Patent number 5,255,122
- Issue date Oct 19, 1993
- Hitachi, Ltd.
- Nobuhiro Konuma
- G02 - OPTICS
Information Patent Grant
Video projector with optical color balance
- Patent number 5,200,814
- Issue date Apr 6, 1993
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS
Information Patent Grant
Optical system for projection type image display device
- Patent number 5,103,302
- Issue date Apr 7, 1992
- Hitachi, Ltd.
- Takahiko Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal-processing circuit for heat-sensitive recording apparatus
- Patent number 4,704,618
- Issue date Nov 3, 1987
- Hitachi, Ltd.
- Toshihiko Gotoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20240161254
- Publication date May 16, 2024
- Sony Semiconductor Solutions Corporation
- NORIBUMI SHIBAYAMA
- G06 - COMPUTING CALCULATING COUNTING

Takahiko Yoshida

Person

Patents Grantslast 30 patents

Multi-display apparatus

Rear projection type image display apparatus

Rear projection type image display apparatus and transmission type...

Rear projection type image display apparatus and transmission type...

Rear-projection screen and a rear projection image display employin...

Rear-projection type image display apparatus and rear-projection ty...

Rear-projection screen and a rear projection image display employin...

Temperature compensating lens system for projection television

Projection lens system for projection type television

Video projector with optical color balance

Optical system for projection type image display device

Signal-processing circuit for heat-sensitive recording apparatus

Patents Applicationslast 30 patents

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...