Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007495 | Propulsive air stream deflecting apparatus for air cushion vehicle | Ryuichi Yoshida, Tetsushi Yamamura | 1991-04-16 |
| 4796798 | Method of and apparatus for continuous production of seam-welded metal tubing | Toshio Tsuta, Shigetomo Matsui, Hiroyuki Matsumura, Hisao Hasegawa, Hiromichi Nakamura +3 more | 1989-01-10 |