Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029297 | Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same | Junichi Okubo, Kenji Tamura | 2018-07-24 |
| 10005121 | Apparatus for forming a blank for finish forging for a forged crankshaft for a 4-cylinder engine, and method for manufacturing a forged crankshaft for a 4-cylinder engine using the same | Junichi Okubo, Kenji Tamura | 2018-06-26 |
| 10005122 | Apparatus for forming a blank for finish forging for a forged crankshaft for a straight-6-cylinder engine and method for manufacturing a forged crankshaft for a straight-6-cylinder engine using the same | Junichi Okubo, Kenji Tamura | 2018-06-26 |
| 9937550 | Method of manufacturing die forged crankshaft | Tomihiko Fukuyasu, Nobutaka Tanimoto, Junichi Okubo | 2018-04-10 |