Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886420 | Method of manufacturing double pipe | Hiroki Naganawa, Shun Kurata, Fumiaki Nakamura, Kinji Ochiai, Hiroki Ohara | 2011-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886420 | Method of manufacturing double pipe | Hiroki Naganawa, Shun Kurata, Fumiaki Nakamura, Kinji Ochiai, Hiroki Ohara | 2011-02-15 |