Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432469 | Arc spraying torch head | Shuhei Nakahama, Masaru Takahashi, Reiyasu Uotani | 2008-10-07 |
| 7347663 | Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner | Shuhei Nakahama, Masaru Takahashi, Yasuo Asano, Hiroshi Nagasaka | 2008-03-25 |