Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7005230 | Radiation-sensitive resin composition | Masafumi Yamamoto, Hiroyuki Ishii, Toru Kajita | 2006-02-28 |
| 6800419 | Radiation-sensitive resin composition | Akimasa Soyano, Hiroyuki Ishii, Motoyuki Shima, Yukio Nishimura | 2004-10-05 |