Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11930810 | Cryopreservation container | Tsutomu Sawa | 2024-03-19 |
| 9441676 | Bearing assembly including IC tag | Takashi Ito, Naota Yamamoto, Tsukasa Yamakawa, Tsutomu Sawa | 2016-09-13 |
| 7868767 | IC tag | — | 2011-01-11 |
| 5669605 | Paper feed roller | Tsutomu Sawa, Hiroyuki Takenoshita, Toshiki Hada | 1997-09-23 |
| 5553845 | Paper feed roller | Tsutomu Sawa, Hiroyuki Takenoshita, Toshiki Hada | 1996-09-10 |
| 5344243 | Head wire and manufacturing process thereof | Tsutomu Sawa, Hiroyuki Takenoshita, Kohei Shibata | 1994-09-06 |