Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634226 | Optical apparatus using ferroelectric liquid crystal and switching unit for emitted light | Masato Isogai, Shintaroo Hattori, Akio Mukoh, Takao Umeda, Yoshiharu Nagae | 1987-01-06 |