Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10300513 | Piercing plug and manufacturing method of piercing plug | Yosuke Tatebayashi, Yasuyoshi Hidaka, Yasuto Higashida, Takateru Inage | 2019-05-28 |
| 8464568 | Production method of seamless pipe or tube, and oxidizing gas supply unit | Yasuyoshi Hidaka, Hiroshi Nogami | 2013-06-18 |
| 8307688 | Process for producing seamless stainless steel pipe | Yasuyoshi Hidaka, Toshihide Ono, Satoshi Matsumoto, Sumio Iida | 2012-11-13 |
| 8082768 | Piercing and rolling plug, method of regenerating such piercing and rolling plug, and equipment line for regenerating such piercing and rolling plug | Yasuyoshi Hidaka, Kazuhiro Shimoda, Naoya Hirase, Yasuto Higashida, Takateru Inage +5 more | 2011-12-27 |
| 8047039 | Process for producing stainless steel pipe | Yasuyoshi Hidaka, Satoshi Matsumoto, Toshihide Ono, Sumio Iida, Hiroshi Nogami | 2011-11-01 |
| 7469565 | Manufacturing method and cleaning equipment for seamless tube | Yasuyoshi Hidaka, Sumio Iida, Hiroki Kusuda, Masami Sakiyama | 2008-12-30 |
| 7325429 | Method for manufacturing seamless steel pipe or tube | Tetsuya Nakanishi, Junji Nakata | 2008-02-05 |