Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253910 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Ryusuke NAKANO +1 more | 2022-02-22 |
| 11045865 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Ryusuke NAKANO +1 more | 2021-06-29 |