Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828078 | Composition having refractive index sensitively changeable by radiation and method for forming refractive index pattern | Isao Nishimura, Atsushi Kumano, Tsutomu Shimokawa, Kenji Yamada | 2004-12-07 |
| 6787289 | Radiation sensitive refractive index changing composition and refractive index changing method | Kenji Yamada, Atsushi Kumano, Keiji Konno | 2004-09-07 |