Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856869 | Display element and observation apparatus having the same | Hajime Sakata, Yasuyuki Watanabe, Masato Yamanobe, Yukitoshi Ohkubo | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856869 | Display element and observation apparatus having the same | Hajime Sakata, Yasuyuki Watanabe, Masato Yamanobe, Yukitoshi Ohkubo | 1989-08-15 |