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Inventor: Nozaki; Takashi
Address: Hino, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554736 |
Objective lens and optical pickup apparatus |
June 30, 2009 |
| An objective lens for converging a monochromatic light flux having a specific wavelength in a range of 350 to 450 nm on an optical information recording medium while the objective lens is placed facing the optical information recording medium, the objective lens containing a lens body |
| 7161744 |
Objective lens and optical pickup apparatus |
January 9, 2007 |
| An objective lens for converging a monochromatic light flux having a specific wavelength in a range of 350 to 450 nm on an optical information recording medium while the objective lens is placed facing the optical information recording medium, the objective lens comprising: a lens body |
| 4497539 |
Antireflection optical coating |
February 5, 1985 |
| Recently, there has been the tendency to increasingly use optical machinery and devices which utilize optical parts made of synthetic resin. Since an antireflection coating film for these synthetic resin optical parts is high in adhesive strength and is hard, it is advantageous to use si |
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