Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850683 | Liquid crystal display element and process for producing the same | Takashi Takayanagi | 1989-07-25 |
| 4842380 | Liquid crystal optical elements | Takashi Takayanagi | 1989-06-27 |
| 4826902 | Coating composition with improved rust-preventing properties for use in preparing lubricated steel products | Hiroki Hanabata, Hiroshi Fukudome, Ryoichi Noumi, Hiromi Izaiku, Koichi Komai +1 more | 1989-05-02 |
| 4810433 | Process for producing oriented film | Takashi Takayanagi | 1989-03-07 |