Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360595 | Antifog optical article and manufacturing method thereof | Hiroko Ishikawa | 2016-06-07 |
| 8746880 | Optical product and eyeglass plastic lens | Tsuyoshi Fukagawa, Hirotoshi Takahashi | 2014-06-10 |
| 7864095 | Wave absorber and manufacturing method of wave absorber | Yoshiyuki Masuda, Hisamatsu Nakano | 2011-01-04 |
| 7777664 | Wave absorber | Yoshiyuki Masuda, Hisamatsu Nakano | 2010-08-17 |
| 5693366 | Process for producing plastic lens comprising a primer layer, a hard coat layer and an antireflection coating | Shoji Mase, Motoaki Yoshida | 1997-12-02 |
| 5496641 | Plastic lens | Shoji Mase, Motoaki Yoshida, Satoshi Ishizuka, Hisayuki Kayanoki, Naoto Hirayama | 1996-03-05 |
| 5310577 | Process for producing plastic lens | Shoji Mase, Motoaki Yoshida | 1994-05-10 |
| 5051803 | Diode and producing method thereof and contact image sensor device comprising the same | Koichi Kitamura, Hidenori Mimura, Kazuo Yamamoto, Yasumitsu Ohta, Kazuyoshi Sai +1 more | 1991-09-24 |