Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227680 | Optical wavelength conversion method, optical wavelength conversion system, program and medium, and laser oscillation system | Ichiro Sekine, Hiroyuki Shiraishi, Hirokazu Kato, Noriko Watanabe | 2007-06-05 |
| 7218653 | Wavelength conversion method and wavelength conversion element | Hiroyuki Shiraishi, Ichiro Sekine | 2007-05-15 |
| 7113325 | Wavelength conversion method with improved conversion efficiency | Peter Moulton, Alex Dergachev, Ichiro Sekine, Masakuni Takahashi | 2006-09-26 |
| 6391229 | Borate crystal, growth method of the same and laser equipment using the same | Noriko Watanabe, Tamotsu Sugawara, Hiroyuki Shiraishi, Yasuhiro Hanaue, Ryuichi Komatsu +2 more | 2002-05-21 |