Akio Toyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paper feeding device for automatic drafting machine
- Patent number 4,654,675
- Issue date Mar 31, 1987
- Mutoh Industry Ltd.
- Osamu Kajikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automatic drafting machine having air blower means for holding pape...
- Patent number 4,646,109
- Issue date Feb 24, 1987
- Mutoh Industry Ltd.
- Akio Toyama
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES