Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7854900 | Sterilization method | Yasukata Takeda, Yoshinori Sekoguchi, Takeshi Furukawa, Mamoru Morikawa, Katsutoshi Noguchi +3 more | 2010-12-21 |
| 7589923 | Prism, imaging device and lighting device including the same, and prism manufacturing method | Minoru Onoda, Tomokazu Tokunaga | 2009-09-15 |
| 7040101 | Air refining device and ion generator used for the device | Yasukata Takeda, Takashi Kohama, Yoshinori Sekoguchi, Kazuo Nishikawa, Hideo Nojima +4 more | 2006-05-09 |
| 6007746 | Method for manufacturing preforms used in molding optical elements and method for manufacturing and molding optical elements | Jun Murata, Masaaki Sunohara | 1999-12-28 |
| 5965069 | Method for making optical preforms and optical elements by press | Jun Murata, Takahisa Kondou, Masaaki Sunohara, Chizuo Izumino, Shoji Nakamura | 1999-10-12 |
| 5718850 | Method and device for manufacturing optical elements | Jun Murata, Shoji Nakamura, Masaaki Sunohara, Takahisa Kondou | 1998-02-17 |
| 5171348 | Die for press-molding optical element | Makoto Umetani, Hideto Monji, Masaaki Sunohara, Jun Murata, Yoshinori Shirafuzi +2 more | 1992-12-15 |