Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444112 | Manufacturing method of electrodeposited copper foil | Yutaka Hirasawa, Yasuji Hara, Naoya Matsushita | 2002-09-03 |
| 6269551 | Method of drying copper foil and copper foil drying apparatus | Kazuhide Oshima | 2001-08-07 |
| 4581219 | Method of making macroporous manganese dioxide | Toshiteru Okada | 1986-04-08 |
| 4551254 | Macroporous manganese dioxide water purifier | Toshiteru Okada | 1985-11-05 |