Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7390055 | Engine hood for automobiles | Kenji Tsushima, Masaki Kuno | 2008-06-24 |
| 4394560 | Covered electrode containing zirconium for shielded metal arc welding | Katsuhiro Kishida, Sumio Hirao, Hirohiko Date | 1983-07-19 |