Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9724855 | Roll molding device | Keiji Hashimoto, Tomio Kinoshita, Manabu Kinoshita | 2017-08-08 |
| 9561532 | Roll forming device | Keiji Hashimoto | 2017-02-07 |
| 8921000 | Fuel cell | Naohiro Takeshita, Hitoshi Hamada, Masayuki Ito, Atsushi Ida, Haruyuki AONO +2 more | 2014-12-30 |
| 7097672 | Metal separator for fuel cell and bonding method there of | Masanao Shiomi | 2006-08-29 |