Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8338744 | Condensing optical system, laser processing method and apparatus, and manufacturing method of brittle material blank | Kenichi Watatani, Yutaka Kobayashi | 2012-12-25 |
| 7907341 | Laser processing method and laser processing apparatus | Motoki Kakui | 2011-03-15 |
| 7807942 | Laser processing method and laser processing apparatus | Manabu Shiozaki, Kenichi Watatani | 2010-10-05 |
| 7773315 | Laser optical device | — | 2010-08-10 |
| 7440188 | Diffractive optical element | — | 2008-10-21 |
| 7193791 | Tilt error reducing aspherical single lens homogenizer | Takayuki Hirai | 2007-03-20 |
| 6937327 | Apparatus and method of measuring optical properties of diffractive optical element | — | 2005-08-30 |
| 6862496 | Laundry system | Ichiro Fukuoka, Shinya Izutsu | 2005-03-01 |
| 6775066 | Diffractive optical element | Kenichi Kurisu | 2004-08-10 |
| 6567226 | Method for designing a refractive or reflective optical system and method for designing a diffraction optical element | — | 2003-05-20 |
| 6452132 | Laser hole boring apparatus | — | 2002-09-17 |
| 6324015 | f.theta. lens | — | 2001-11-27 |
| 5889626 | Method and device for focusing laser beam | Keiji Ebata | 1999-03-30 |
| 5690845 | Optical device for laser machining | — | 1997-11-25 |