Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8601681 | Method for producing an optical element | Akiko Hara | 2013-12-10 |
| 8477413 | Optical element | Nobuyoshi Mori, Kazuo Ishida, Takuji Hatano | 2013-07-02 |
| 8379310 | Sunlight collecting system | Nobuyoshi Mori, Takuji Hatano | 2013-02-19 |
| 7682676 | Optical element and optical pickup device | Tatsuo Ohta | 2010-03-23 |
| 7599119 | Antireflection coating, optical element, and optical transceiver module | Katsuya Nakamura, Tatsuo Ohta, Kunihiko Taka, Shingo Nakamura | 2009-10-06 |
| 6319598 | Electromagnetic wave attenuating transparent member | Satoshi Nakano, Shingo Nakamura, Tatsuo Ohta | 2001-11-20 |
| 5920431 | Optical member having antireflection film thereon | Satoshi Nakano, Tatsuo Ohta | 1999-07-06 |