Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420472 | Front axle beam and production method thereof | Kenji Tamura, Kenji Imanishi, Sam Soo HWANG, Kunihiro Yabuno, Koichiro Ishihara | 2022-08-23 |
| 11390116 | Front axle beam and production method thereof | Kenji Tamura, Kenji Imanishi, Sam Soo HWANG, Kunihiro Yabuno, Koichiro Ishihara | 2022-07-19 |
| 11253910 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Sam Soo HWANG, Ryusuke NAKANO, Masao Hori +1 more | 2022-02-22 |
| 11045865 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Sam Soo HWANG, Ryusuke NAKANO, Masao Hori +1 more | 2021-06-29 |
| 10799940 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Samsoo Hwang, Ryusuke NAKANO, Masao Hori | 2020-10-13 |
| 10456828 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Samsoo Hwang, Ryusuke NAKANO, Masao Hori | 2019-10-29 |
| 10391546 | Method for producing forged crankshaft | Junichi Okubo, Kenji Tamura, Samsoo Hwang, Ryusuke NAKANO, Masao Hori | 2019-08-27 |
| 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 |
| 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 |
| 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 |
| 9937550 | Method of manufacturing die forged crankshaft | Tomihiko Fukuyasu, Nobutaka Tanimoto, Junichi Okubo | 2018-04-10 |
| 9707618 | 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, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI | 2017-07-18 |
| 9630239 | Apparatus for forming a blank for finish forging for a forged crankshaft | Junichi Okubo, Kenji Tamura, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI | 2017-04-25 |