Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047726 | Austenitic stainless steel valve | — | 2000-04-11 |
| 5536399 | Filter device | — | 1996-07-16 |
| 5211845 | Filter housing | — | 1993-05-18 |
| 4680345 | Continuous production of elastic polyesters | Takuma Kobayashi, Hironobu Kitagawa, Osamu Makimura | 1987-07-14 |