Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045865 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Kunihiro Yoshida, Ryusuke NAKANO, Masao Hori +1 more | 2021-06-29 |
| 10890208 | Crankshaft | Yukihiko Kimura, Kenji Tamura, Hiroshi Nogami, Kunihiro Yabuno | 2021-01-12 |