Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021391 | Tooth-hardening apparatus | Kazumi Minoguchi | 2011-09-20 |
| 8021502 | Method for producing martensitic stainless steel pipe | Mutsumi Tanida, Nobuyuki Mori | 2011-09-20 |
| 7948735 | Electrostatic chuck and method for manufacturing the same | Kazuhiro Nobori, Yutaka Mori | 2011-05-24 |
| 7900975 | Threaded joint for steel pipes | Takahiro Hamamoto, Masaaki Sugino, Suguru Yamaguchi | 2011-03-08 |