Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638005 | Track bushing and method and apparatus for producing the same | Takemori Takayama, Chigo Okayama, Masayuki Ohishi | 2009-12-29 |
| 7306684 | Crawler bushing and method and device for producing the same | Takemori Takayama, Chigo Okayama, Masayuki Ohishi | 2007-12-11 |
| 7282173 | Track bushing and method and apparatus for producing the same | Takemori Takayama, Chigo Okayama, Masayuki Ohishi | 2007-10-16 |