Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872972 | Apparatus for classifying particles | Minoru Wakabayashi, Yasuo Sugino, Masanobu Yamao, Takao Nishikawa | 1989-10-10 |
| 4871119 | Impact crushing machine | Takeshi Tanaka, Chouji Hino, Harunaga Kiuchi, Masahiro Chiji | 1989-10-03 |
| 4834298 | Crushing method and apparatus | Masahiro Chiji, Takeshi Tanaka, Tadao Kuwahara, Harunaga Kiuchi, Masamichi Cho | 1989-05-30 |
| 4831557 | Image composing apparatus | — | 1989-05-16 |