Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10632264 | Transfusion apparatus and method for detecting bubbles | — | 2020-04-28 |
| 7243954 | Pipe joint with earthquake-proof function | Takashi Yokomizo, Takeshi Hara | 2007-07-17 |
| 5896893 | Pipe having ridge on spigot and method of forming the ridge | Takahiro Ishihara, Atsuichi Namariyama | 1999-04-27 |
| 5613714 | Separation-preventive pipe joint | Takahiro Ishihara, Takashi Yokomizo | 1997-03-25 |
| 5609368 | Separation preventive pipe joint | Atsushi Maki, Takahiro Ishihara | 1997-03-11 |