Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564413 | Oil well pipe for a casing | Mitsuaki Hori, Hisao Nakamura, Yoshihiro Okano, Shoichi Ohsuka | 1996-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564413 | Oil well pipe for a casing | Mitsuaki Hori, Hisao Nakamura, Yoshihiro Okano, Shoichi Ohsuka | 1996-10-15 |