Yoshimasa Yokoyama

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display operation method to change the number of images to be displ...
- Patent number 6,396,506
- Issue date May 28, 2002
- Hitachi, Ltd.
- Takeshi Hoshino
- G06 - COMPUTING CALCULATING COUNTING
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