Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160588 | Process for recovering tellurium from copper electrolysis slime | Mineo Hayashi, Junji Konishi, Shosaku Hayashi | 1992-11-03 |
| 5062614 | Apparatus and method for manufacturing copper-base alloy | Izumi Sukekawa, Haruhiko Asao, Hiroshi Kohno, Keiji Nogami | 1991-11-05 |
| 4981514 | Method for manufacturing copper-base alloy | Izumi Sukekawa, Haruhiko Asao, Hiroshi Kohno, Keiji Nogami | 1991-01-01 |
| 4831250 | Apparatus for detecting defects on bottle mouth with screw thread | Hiroyuke Fukuchi, Masatoshi Nishiyama | 1989-05-16 |