Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378274 | Color filter, method for manufacture thereof and liquid crystal projector using said color filter | Seiichiro Yokoyama, Motoharu Ishikawa, Nobuaki Watanabe | 1995-01-03 |
| 5135619 | Process for producing organic thin films | Mitsuru Eida, Seiichiro Yokoyama | 1992-08-04 |
| 5110964 | Process for producing ferrocenoyl derivatives | Seiichiro Yokoyama | 1992-05-05 |
| 5015748 | Novel ferrocene derivatives, surfactants containing same and a process for producing organic thin films | Mitsuru Eida, Seiichiro Yokoyama | 1991-05-14 |