Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880142 | Powder weighing mixer and method thereof | Noboru Higuchi, Keizo Matsui, Hiroshi Ohnishi | 1989-11-14 |
| 4872763 | Method of and apparatus for measuring liquid | Noboru Higuchi, Keizo Matsui, Shigeru Yamaguchi | 1989-10-10 |
| 4830508 | Controlling method and a measuring mixer for liquids and powders | Noboru Higuchi, Keizo Matsui, Hiroshi Ohnishi, Shigeru Yamaguchi | 1989-05-16 |