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Nobuyuki Otake
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Tokyo, JA
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last 30 patents
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Patent Grant
Pen points for writing instruments
Patent number
4,076,428
Issue date
Feb 28, 1978
Tokyo Boshi Kabushiki Kaisha
Nobuyuki Otake
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Patent Grant
Pen point for writing instruments
Patent number
3,932,044
Issue date
Jan 13, 1976
Tokyo Boshi Kabushiki Kaisha
Nobuyuki Otake
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES