Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10328385 | Carbon dioxide-containing gas recovery apparatus | Toshiaki Kato, Hideyuki Okano, Yoshinobu Ito | 2019-06-25 |
| 8961658 | Mist/dust collector | Yoshinobu Ito, Toshiaki Kato, Kouiti Kume, Hideyuki Okano | 2015-02-24 |
| 8459974 | Six-blade biaxial rotary positive-displacement pump | Akitomo Yokoi, Yoshinobu Ito, Toshiaki Kato, Masafumi Takeda, Kouiti Kume +2 more | 2013-06-11 |
| 8292269 | Microscopic bubble generating apparatus | Yoshinobu Ito, Toshiaki Kato, Masafumi Takeda, Kouiti Kume, Hiroyuki Ito +1 more | 2012-10-23 |
| 7226280 | Roots vacuum pump | Yoshinobu Ito | 2007-06-05 |
| 5944501 | Roots blower having zigzag meandering grooves in the casing inner wall surface | — | 1999-08-31 |
| 5018511 | Massager unit | — | 1991-05-28 |