Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751164 | Method of manufacturing a hollow poppet valve | Kazuhiro Ishii, Shigeru Uchida | 2017-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751164 | Method of manufacturing a hollow poppet valve | Kazuhiro Ishii, Shigeru Uchida | 2017-09-05 |