Akiko Fukuhara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for producing a half-tone image
- Patent number 6,285,464
- Issue date Sep 4, 2001
- Canon Kabushiki Kaisha
- Akihiro Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motor rotational speed control apparatus
- Patent number 5,808,431
- Issue date Sep 15, 1998
- Canon Kabushiki Kaisha
- Satoru Koyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image treatment method and apparatus with error dispersion and cont...
- Patent number 5,325,448
- Issue date Jun 28, 1994
- Canon Kabushiki Kaisha
- Akihiro Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE