Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6149860 | Carburization and quenching apparatus | Shingo Mizoguchi, Tadayoshi Yoshioka, Masanori Ichikawa, Yukio Hashimoto | 2000-11-21 |
| 6039475 | Retainer for roller bearing and method for manufacturing the same | Kohhei Kondoh, Atsushi Yamashita, Seiji Kanbori | 2000-03-21 |
| 5826988 | Cage for needle roller bearings and method of producing same | Kyouzi Maeda | 1998-10-27 |