Hidetoshi Yoshitaki

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording disk having a stepped central recess and hub...
- Patent number 5,504,735
- Issue date Apr 2, 1996
- Seiko Epson Corporation
- Tsutomu Ota
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording disk
- Patent number 5,265,086
- Issue date Nov 23, 1993
- Seiko Epson Corporation
- Tsutomu Ota
- G11 - INFORMATION STORAGE
Information Patent Grant
Photosensitive printing apparatus
- Patent number 4,866,593
- Issue date Sep 12, 1989
- Seiko Epson Corporation
- Teiji Miura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photosensitive printing apparatus
- Patent number 4,727,380
- Issue date Feb 23, 1988
- Seiko Epson Corporation
- Teiji Miura
- G06 - COMPUTING CALCULATING COUNTING