Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556435 | Roller bearing apparatus, method of producing roller bearing apparatus and cover attached to roller bearing apparatus | Tomonari Nishiyama, Masaru Deguchi | 2009-07-07 |
| 7414012 | Aqueous lubricant for plastic working of metallic material and method for forming lubricant film | Yasuo Imai, Masayuki Yoshida | 2008-08-19 |