Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9340421 | Hydrogen supply system | Atsushi Segawa, Hideshi Iki | 2016-05-17 |
| 5219912 | Emulsified alkenylsuccinic acid sizing agent | Yoshio Takahashi, Hideto Umekawa, Toshihiro Tahara | 1993-06-15 |