Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882538 | Device for detecting current flowing in an electric wire | Hiromitsu Sato, Atsushi Totsune, Masahiko Asakura | 1989-11-21 |
| 4870586 | Air-fuel ratio control system for an internal combustion engine with an engine load responsive correction operation | Masahiko Asakura, Takanori Shiina, Masahiro Ueda, Tomohiko Kawanabe, Noritaka Kushida +1 more | 1989-09-26 |