Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830660 | Method for producing metallurgical coke | Yutaka Yamauchi, Seiji Sakamoto, Katsutoshi Igawa, Shizuki Kasaoka, Toshiro Sawada +2 more | 2004-12-14 |
| 6826018 | Disk drive with head supporting device | Hideki Kuwajima, Kaoru Matsuoka, Kenichi Sakamoto, Makoto Miyamoto, Shigeo Obata | 2004-11-30 |