Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901269 | Grinding apparatus for a pin for use in power transmission chain and manufacture method of a pin for use in power transmission chain | Takeshi Noguchi | 2011-03-08 |
| 7884241 | Distillation process | Kenichiro Kawazumi | 2011-02-08 |