Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8088331 | Acid liquid leakage sensor | Takeharu Ueda, Keiichi Sato, Ichiro Kiyokawa, Tomonobu Tsujikawa, Toshio Matsushima | 2012-01-03 |
| 6828414 | Process for producing aromatic polyethers with high molecular weights | Kazushige Okamoto | 2004-12-07 |
| 5985477 | Polymer electrolyte for fuel cell | Katsuhiko Iwasaki, Taketsugu Yamamoto, Hiroshi Harada, Atsushi Terahara | 1999-11-16 |