Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822404 | Phase-controlled, multi-electrode type of AC discharge light source | Kazunori Matsumoto, Toru Nakajima, Shigeki Kawabata, Shigekazu Yamazaki, Seiji Oda | 2004-11-23 |
| 6777070 | Antireflection material and polarizing film using the same | Chikara Murata, Kazuya Ohishi, Yasuhiro Matsunaga | 2004-08-17 |