Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879445 | Seam welding apparatus with edge detection | Hitoshi Kawano, Mitsuhiro Hayashi, Kunikatsu Ban | 1989-11-07 |
| 4868364 | Seam welder with feedback control to compensate for varying welding speed | Hitoshi Kawano, Mitsuhiro Hayashi, Kunikatsu Ban | 1989-09-19 |
| 4857754 | Power supply circuit for automotive headlamp | — | 1989-08-15 |
| 4858190 | Dual port semiconductor memory having random and serial access modes | Yasunori Yamaguchi, Akirahiko Yoshida, Masami Nei, Masamichi Ishihara | 1989-08-15 |