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Tetsuji Niikawa
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Toyokawa, JP
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last 30 patents
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Patent Grant
Optical device having an optical lens and a mounting assembly
Patent number
5,486,954
Issue date
Jan 23, 1996
Minolta Co., Ltd.
Tetsuji Niikawa
G02 - OPTICS
Information
Patent Grant
Image reading apparatus
Patent number
5,416,608
Issue date
May 16, 1995
Minolta Camera Kabushiki Kaisha
Toshihiko Ueda
G02 - OPTICS
Information
Patent Grant
Optical element
Patent number
5,301,060
Issue date
Apr 5, 1994
Minolta Camera Kabushiki Kaisha
Tetsuji Niikawa
G02 - OPTICS