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Takashi Ubagai Patents
Inventor:
Ubagai; Takashi
Address:
Utsunomiya, JP
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
5329406 Plastic optical elements and a molding mold therefor July 12, 1994
There are provided a plastic molded optical element and a molding mold therefor capable of preventing flash generation as well as making the handling of the molded optical element easy by forming a projection on the main body of an optical element, corresponding to the matching portions


 
 
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