Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11444486 | Wireless power feeding device | Kazuaki Shima | 2022-09-13 |
| 11420311 | Insert insertion tool and method for inserting insert | — | 2022-08-23 |
| 11400571 | Tongue break-off tool and tongue break-off method | — | 2022-08-02 |
| 7235174 | Method of sludge recycling | P. Chang, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada +12 more | 2007-06-26 |
| 7198720 | Method of sludge recycling | Tsuguo Inaba, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada +12 more | 2007-04-03 |
| 7141159 | Method of sludge recycling | Tsuguo Inaba, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada +12 more | 2006-11-28 |
| 7094350 | Method of sludge recycling | Tsuguo Inaba, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada +12 more | 2006-08-22 |