Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187607 | Electrochromic device with low resistance electrical connections | Tatsuo Endo | 1993-02-16 |
| 4991951 | Eyeglass frame for electrooptical lenses | Tatsuo Niwa | 1991-02-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187607 | Electrochromic device with low resistance electrical connections | Tatsuo Endo | 1993-02-16 |
| 4991951 | Eyeglass frame for electrooptical lenses | Tatsuo Niwa | 1991-02-12 |