Sachiko Kawachiya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for processing a document by utilizing an image
- Patent number 5,101,448
- Issue date Mar 31, 1992
- Hitachi, Ltd.
- Sachiko Kawachiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image data filing system and image data correcting method
- Patent number 4,985,930
- Issue date Jan 15, 1991
- Hitachi, Ltd.
- Haruo Takeda
- G06 - COMPUTING CALCULATING COUNTING