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Isesaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ballpoint pen refill
Patent number
6,302,609
Issue date
Oct 16, 2001
Kabushiki Kaisha Pilot
Minoru Machida
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Erasing liquid pen
Patent number
5,915,872
Issue date
Jun 29, 1999
Kabushiki Kaisha Pilot
Minoru Machida
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Cap device
Patent number
5,876,140
Issue date
Mar 2, 1999
Kabushiki Kaisha Pilot
Michiaki Kuramoto
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES