Nobuaki Usui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for simulating color print
- Patent number 5,933,579
- Issue date Aug 3, 1999
- Dainippon Screen Mfg. Co., Ltd.
- Nobuaki Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for simulating color print
- Patent number 5,596,425
- Issue date Jan 21, 1997
- Dainippon Screen Manufacturing Co., Ltd.
- Nobuaki Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and apparatus for generating halftone dots
- Patent number 5,315,407
- Issue date May 24, 1994
- Dainippon Screen Mfg. Co., Ltd.
- Takashi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE