Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253910 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Masao Hori +1 more | 2022-02-22 |
| 11045865 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Masao Hori +1 more | 2021-06-29 |
| 10799940 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Masao Hori | 2020-10-13 |
| 10456828 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Masao Hori | 2019-10-29 |
| 10391546 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Masao Hori | 2019-08-27 |