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Takashi Ubagai Patents |
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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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