Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9829135 | Pipe joint | — | 2017-11-28 |
| 8801045 | Pipe joint | Masaaki Muto, Kouichirou Ishibashi | 2014-08-12 |
| 7481149 | Bimanual control valve | — | 2009-01-27 |
| 7036827 | Three directional opening/closing chuck | Jiro Mandokoro, Takashi Yasuoka | 2006-05-02 |
| D482051 | Chuck for industrial robot | Jiro Mandokoro | 2003-11-11 |
| 6547258 | Opening and closing chuck | Jiro Mandokoro | 2003-04-15 |
| D457900 | Chuck for industrial robot | Jiro Mandokoro | 2002-05-28 |
| 6318779 | Parallelly-gripping chuck | Koichiro Ishibashi | 2001-11-20 |
| D440988 | Chuck for industrial robot | Koichiro Ishibashi | 2001-04-24 |
| D438220 | Chuck for industrial robot | Koichiro Ishibashi | 2001-02-27 |