Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188111 | Austenitic stainless steel material | Shinnosuke Kurihara, Kana JOTOKU, Yuhei Suzuki, Shohgo AOTA | 2025-01-07 |
| 12054797 | Austenitic stainless steel material and welded joint | Yuhei Suzuki, Shohgo AOTA, Hirokazu Okada, Masahiro Seto | 2024-08-06 |
| 12054818 | Duplex stainless steel tube and welded joint | Hiroyuki Hirata, Shohgo AOTA, Mitsuru Yoshizawa | 2024-08-06 |
| 11873542 | High nickel alloy excellent in high welding temperature cracking resistance | Yukihiro Nishida, Shinji Tsuge | 2024-01-16 |
| 11866814 | Austenitic stainless steel | Kazuhiro Ogawa, Hiroyuki Hirata, Yoshitaka Nishiyama | 2024-01-09 |
| 11634804 | Austenitic stainless steel weld joint | Kana JOTOKU, Kenta Yamada, Hirokazu Okada | 2023-04-25 |
| 11041232 | Austenitic stainless steel and production method therefor | Masahiro Seto, Masayuki Sagara, Kenta Yamada | 2021-06-22 |
| 10662497 | Austenitic stainless steel and method of manufacturing the same | Jun Nakamura, Tomohiko Omura, Hiroyuki Hirata, Kana JOTOKU | 2020-05-26 |
| 10556298 | Welded joint and method of manufacturing welded joint | Kana JOTOKU, Hiroyuki Hirata, Tomohiko Omura, Jun Nakamura | 2020-02-11 |
| 10316383 | Austenitic stainless steel and method for producing the same | Etsuo Dan, Masaaki Terunuma, Tomohiko Omura, Jun Nakamura | 2019-06-11 |
| 10233523 | Carburization resistant metal material | Yoshitaka Nishiyama, Hirokazu Okada, Etsuo Dan | 2019-03-19 |
| 10201880 | Welding material and welding joint | Kiyoko Takeda, Tetsuo Yokoyama, Hiroyuki Anada, Masatoshi Toyoda | 2019-02-12 |
| 8865060 | Austenitic stainless steel | Kazuhiro Ogawa, Hiroyuki Hirata, Yoshitaka Nishiyama | 2014-10-21 |
| 8158274 | Welding material and welded joint structure | Kazuhiro Ogawa, Hirokazu Okada | 2012-04-17 |
| 8137613 | Austenitic stainless steel welded joint and austenitic stainless steel welding material | Kazuhiro Ogawa, Hirokazu Okada, Masaaki Igarashi | 2012-03-20 |
| 8133431 | Austenitic stainless steel | Kazuhiro Ogawa, Hiroyuki Hirata, Yoshitaka Nishiyama | 2012-03-13 |
| 7951469 | Welding material and welded joint structure | Kazuhiro Ogawa, Hirokazu Okada | 2011-05-31 |