Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348777 | Structural member of pipe shape | Tetsuo Yamaguchi, Akihiro Nakahara, Mitsunori Miki | 1994-09-20 |
| 5242721 | Structural member of pipe shape | Tetsuo Yamaguchi, Akihiro Nakahara, Mitsunori Miki | 1993-09-07 |