Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411151 | Method and device for processing inside of transparent material | Ya Cheng, Katsumi Midorikawa | 2008-08-12 |
| 6469846 | Grism | Noboru Ebizuka, Masanori Iye, Toshikazu Ebisuzaki | 2002-10-22 |
| 6432278 | Method for controlling refractive index of silica glass | Shlomo Ruschin, Jie Zhang, Satoshi Wada, Hideo Tashiro, Koichi Toyoda | 2002-08-13 |
| 6432848 | Process for formation of cap layer for semiconductor | Toshimitsu Akane, Katsumi Midorikawa, Jan J. Dubowski | 2002-08-13 |
| 6180915 | Laser machining method and laser machining apparatus | Jie Zhang, Katsumi Midorikawa | 2001-01-30 |