Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033390 | Wear resistant, heat resistant conveyor chain | Takashi Nakagawa, Makoto Fujiwara, Ryutaro Nakamura, Nobuo Kitao, Tatsuo Nagata +1 more | 2011-10-11 |
| 7914409 | Oil-free chain | Toshihiko Aoki, Takashi Nakagawa | 2011-03-29 |