Toshihiko Yokoyama

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Utsunomiya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image display apparatus
- Patent number 8,446,529
- Issue date May 21, 2013
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display and display system
- Patent number 7,646,390
- Issue date Jan 12, 2010
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection type image display device
- Patent number 6,975,337
- Issue date Dec 13, 2005
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Communication method of a serially connected electronic apparatus
- Patent number 6,834,321
- Issue date Dec 21, 2004
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for establishing synchronization in head-detachable image se...
- Patent number 6,449,007
- Issue date Sep 10, 2002
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Camera head-detachable image sensing apparatus, image processing ap...
- Patent number 6,392,698
- Issue date May 21, 2002
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE DISPLAY APPARATUS
- Publication number 20100118184
- Publication date May 13, 2010
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Display and display system
- Publication number 20050275649
- Publication date Dec 15, 2005
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Projection type image display device
- Publication number 20050206851
- Publication date Sep 22, 2005
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection type image display device
- Publication number 20040012616
- Publication date Jan 22, 2004
- Canon Kabushiki Kaisha
- Toshihiko Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE