Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459618 | Apparatus for producing a video signal representing an animation | Keiichi Watanabe, Yasuhiro Aikawa | 1995-10-17 |
| 4619472 | Pipe coupling | Isao Arakawa | 1986-10-28 |
| 4344310 | Method of rolling railroad-rails and steels of similar shape by universal rolling | Hiroshi Higashinaka | 1982-08-17 |