Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303265 | Hopper | Masazumi Miyoshi | 1989-09-05 |
| 4836421 | Transportable hopper and tank assembly | Masazumi Miyoshi, Shoichi Midorikawa, Akitada Ota | 1989-06-06 |
| 4705221 | Quantitative continuous feeding method for iodine | Shoichi Midorikawa | 1987-11-10 |