Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829074 | Liquid type electrochromic element | Takuo Mochizuka | 2004-12-07 |
| 6710907 | Solid state electrochromic device, and mirror system and CRT display using same | Takuo Mochizuka | 2004-03-23 |