Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090755 | Welding material for ferritic heat-resistant steel, welded joint for ferritic heat-resistant steel, and method for producing welded joint for ferritic heat-resistant steel | Hiroyuki Hirata, Kana JOTOKU, Tomoaki Hamaguchi, Katsuki TANAKA | 2021-08-17 |
| 10519533 | High Cr-based austenitic stainless steel | Atsuro Iseda, Hiroyuki Semba, Hirokazu Okada, Hiroyuki Hirata, Katsuki TANAKA +2 more | 2019-12-31 |
| 8312751 | Method for producing high alloy pipe | Hitoshi Suwabe | 2012-11-20 |
| 8307688 | Process for producing seamless stainless steel pipe | Yasuyoshi Hidaka, Satoshi Matsumoto, Kouji Nakaike, Sumio Iida | 2012-11-13 |
| 8293037 | Method for producing duplex stainless steel pipe | Hitoshi Suwabe | 2012-10-23 |
| 8047039 | Process for producing stainless steel pipe | Yasuyoshi Hidaka, Satoshi Matsumoto, Kouji Nakaike, Sumio Iida, Hiroshi Nogami | 2011-11-01 |
| 7197906 | Cold rolling process for metal tubes | Satoshi Tsuyuguchi | 2007-04-03 |
| 7188501 | Cold rolling process for metal tubes | Satoshi Tsuyuguchi | 2007-03-13 |
| 6822726 | Animation production apparatus | Keiji Mitsuyuki | 2004-11-23 |