Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290696 | Soil improvement agent composition | Ken Yamada, Hiroyuki Izumoto, Rieko Oba, Takaaki Kano | 2016-03-22 |
| 8742149 | Metalworking fluid base oil | Akinori Kanetani, Hiroyuki Izumoto, Takaaki Kano, Shingo Uemura | 2014-06-03 |