Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884184 | Control apparatus for cascaded converter circuit | Takayuki Matsui, Mitsugu Matsutake, Junichi Takahashi, Masami Ito | 1989-11-28 |
| 4875539 | Electric power steering control system | Toshimi Abukawa, Kazuo Tahara, Katsuji Murumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu +9 more | 1989-10-24 |
| 4808903 | Vector control system for induction motors | Takayuki Matsui, Takashi Sukegawa, Junichi Takahashi | 1989-02-28 |