Komei Kawahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color printing apparatus for both sides of printing paper
- Patent number 5,284,090
- Issue date Feb 8, 1994
- Kabushikigaisha Tokyo Kikai Seisakusho
- Yuichi Okamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color printing apparatus for both sides of printing paper
- Patent number 5,152,222
- Issue date Oct 6, 1992
- Kabushikigaisha Tokyo Kikai Seisakusho
- Yuichi Okamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS