Kenjiro Chyo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image data processing using bi-level and multi-level value data
- Patent number 5,864,638
- Issue date Jan 26, 1999
- Canon Kabushiki Kaisha
- Yasuhisa Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing method and apparatus suitable for both high-resolu...
- Patent number 5,781,666
- Issue date Jul 14, 1998
- Canon Kabushiki Kaisha
- Yasuhisa Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image data processing using bi-level and multi-level value data
- Patent number 5,521,990
- Issue date May 28, 1996
- Canon Kabushiki Kaisha
- Yasuhisa Ishizawa
- G06 - COMPUTING CALCULATING COUNTING