Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8451267 | Pipe installation support apparatus | Hiroshi Yokoyama, Toshiyuki Yamagata, Shinichi Ebata | 2013-05-28 |
| 5783794 | Method and material for resistance welding steel-base metal sheet to aluminum-base metal sheet | Hatsuhiko Oikawa, Yasuo Takahashi, Tohru Saito, Yutaka Okuda, Fuminori Matsuda +2 more | 1998-07-21 |