Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698051 | Pneumatic tires with specified stiffener dimensions | — | 1997-12-16 |
| 5693306 | Production process for refined hydrogen iodide | Atsushi Utsunomiya, Kenju Sasaki, Masahiro Omura, Naoki Tomoshige | 1997-12-02 |