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Masaki Ohmori
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical lens and mold for molding the same
Patent number
5,822,134
Issue date
Oct 13, 1998
Canon Kabushiki Kaisha
Kiyoshi Yamamoto
G02 - OPTICS
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Patent Grant
Press-forming method for optical element
Patent number
5,228,894
Issue date
Jul 20, 1993
Canon Kabushiki Kaisha
Bunryo Sato
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Molding method for optical element
Patent number
5,173,100
Issue date
Dec 22, 1992
Canon Kabushiki Kaisha
Isamu Shigyo
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for manufacturing optical element
Patent number
5,160,362
Issue date
Nov 3, 1992
Canon Kabushiki Kaisha
Kiyoshi Yamamoto
C03 - GLASS MINERAL OR SLAG WOOL