Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610408 | Process for preparing liquid diphenylmethane diisocyanate | Yoshiharu Kato | 1997-03-11 |
| 5258548 | Method for preventing coloration of aromatic isocyanate compounds | — | 1993-11-02 |
| 5096956 | Low-viscosity polyol composition containing potassium titanate needle crystal | Kanemitsu Kondo, Shinichi Murakami, Hideaki Nagayasu | 1992-03-17 |
| 4686145 | Magnetic recording medium, a process for preparing a magnetic recording medium and a binder composition therefor | Masaru Honda, Takanori Chiba, Yoshito Harada, Katsumi Nagayasu | 1987-08-11 |