Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191305 | Preparation of tetraester of 3, 3', 4, 4', - biphenyltetracarboxylic acid | Akira Ishikawa, Hiroto Mitsui, Norihisa Komoda | 2001-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191305 | Preparation of tetraester of 3, 3', 4, 4', - biphenyltetracarboxylic acid | Akira Ishikawa, Hiroto Mitsui, Norihisa Komoda | 2001-02-20 |