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Hironobu Kanbayashi
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Gunma, JP
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Patents Grants
last 30 patents
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Patent Grant
Ink composition for oil-based ballpoint pen and method for producti...
Patent number
7,396,397
Issue date
Jul 8, 2008
Kabushiki Kaisha Pilot Corporation
Hironobu Kanbayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-based ink with metallic gloss for direct fill in ball-point pen
Patent number
6,114,412
Issue date
Sep 5, 2000
Kabushiki Kaisha Pilot
Hironobu Kanbayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water based ink having metallic luster adapted for direct-filling i...
Patent number
6,083,311
Issue date
Jul 4, 2000
Kabushiki Kaisha Pilot
Hironobu Kanbayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
OIL-BASED BALLPOINT PEN
Publication number
20230294446
Publication date
Sep 21, 2023
Kabushiki Kaisha Pilot Corporation (Also Trading as Pilot Corporation)
Hironobu KANBAYASHI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Oil-based ballpoint ink composition, process for production thereof...
Publication number
20060156950
Publication date
Jul 20, 2006
Kabushiki Kaisha Pilot Corporation
Hironobu Kanbayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...