Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914428 | Process for preparation of isocyanate compounds | Teruo Itokazu, Kenji Oka, Yasutaka Tanaka, Hidetaka Kojima, Kiyokazu Murata | 1999-06-22 |
| 5789614 | Process for preparation of aliphatic diisocyanate compounds | Teruo Itokazu, Kenji Oka, Yasutaka Tanaka, Hidetaka Kojima | 1998-08-04 |
| 5773643 | Process for preparation of isocyanate compounds | Teruo Itokazu, Kiyokazu Murata | 1998-06-30 |
| 5138015 | Process for producing polyurethane | Toshihide Maruyama, Kiyokazu Murata | 1992-08-11 |
| 4565859 | Polyether compounds, epoxy resins, epoxy resin compositions, and processes for production thereof | Takaaki Murai, Shoji Watanabe, Kimio Inoue | 1986-01-21 |