Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849680 | Encoder | — | 1989-07-18 |
| 4844737 | Method for operating a blast furnance by blowing pulverized coal | Yotaro Oono, Hiroshi Saito, Kazumasa Wakimoto, Hitoshi Kawada, Masahiro Matsuura | 1989-07-04 |
| 4843388 | Rotary encoder, and method of manufacturing same | — | 1989-06-27 |