Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006880 | Gas combustion type driving tool | Hiroshi Tanaka, Hajime Takemura, Katsuhiko Murayama | 2011-08-30 |
| 7938303 | Gas combustion-type driving tool | Katsuhiko Murayama, Masakazu Konishi | 2011-05-10 |