Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192535 | Dust collector | Toshio Tanaka, Kanji Motegi, Ryuji Akiyama, Shunji Haruna | 2012-06-05 |
| 8192536 | Dust collector | Toshio Tanaka, Kanji Motegi, Ryuji Akiyama, Shunji Haruna | 2012-06-05 |