Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035284 | Plate-fin-type heat exchanger | Junichi Oya | 1991-07-30 |
| 4449856 | Grout injection method and apparatus | Takehiko Tokoro, Mineo Murata | 1984-05-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035284 | Plate-fin-type heat exchanger | Junichi Oya | 1991-07-30 |
| 4449856 | Grout injection method and apparatus | Takehiko Tokoro, Mineo Murata | 1984-05-22 |