Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867932 | Process of making a casting nozzle | Yoshitaka Hiraiwa, Hiroyuki Shiokawa, Hiroshi Nagata, Yukio Inoue | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867932 | Process of making a casting nozzle | Yoshitaka Hiraiwa, Hiroyuki Shiokawa, Hiroshi Nagata, Yukio Inoue | 1989-09-19 |