Takafumi Itoh

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Matsumoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection display apparatus, display method for same and image dis...
- Patent number 7,187,391
- Issue date Mar 6, 2007
- Seiko Epson Corporation
- Takafumi Itoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Overlay process of images
- Patent number 7,176,850
- Issue date Feb 13, 2007
- Seiko Epson Corporation
- Takafumi Itoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection display apparatus, display method for same and image dis...
- Patent number 7,170,531
- Issue date Jan 30, 2007
- Seiko Epson Corporation
- Takafumi Itoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection display apparatus, display method for same and image dis...
- Patent number 6,831,661
- Issue date Dec 14, 2004
- Seiko Epson Corporation
- Takafumi Itoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Projection display apparatus, display method for same and image dis...
- Publication number 20050219265
- Publication date Oct 6, 2005
- SEIKO EPSON CORPORATION
- Takafumi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection display apparatus, display for same and image display ap...
- Publication number 20030117385
- Publication date Jun 26, 2003
- SEIKO EPSON CORPORATION
- Takafumi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE