Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379035 | Static mixing and stirring device | Kenji Kubo, Eizo Sugino, Shigenohu Saito, Takeshi Yasukochi, Katsutoshi Shoji | 2002-04-30 |
| 4441524 | Ball valve | — | 1984-04-10 |
| 4371146 | Ball valve | Shigeo Kanaya | 1983-02-01 |