Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12054818 | Duplex stainless steel tube and welded joint | Shohgo AOTA, Mitsuru Yoshizawa, Takahiro Osuki | 2024-08-06 |
| 11866814 | Austenitic stainless steel | Takahiro Osuki, Kazuhiro Ogawa, Yoshitaka Nishiyama | 2024-01-09 |
| 11834731 | Method of producing ferritic heat-resistant steel welded joint | Kana JOTOKU, Shinnosuke Kurihara, Katsuki TANAKA | 2023-12-05 |
| 11339461 | Austenitic stainless steel | Katsuki TANAKA, Kana JOTOKU | 2022-05-24 |
| 11339462 | Austenitic stainless steel weld metal and welded structure | Katsuki TANAKA, Kana JOTOKU | 2022-05-24 |
| 11169355 | Lens unit | — | 2021-11-09 |
| 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 | Kana JOTOKU, Tomoaki Hamaguchi, Toshihide Ono, Katsuki TANAKA | 2021-08-17 |
| 11021778 | Austenitic stainless steel weld metal and welded structure | Kana JOTOKU, Katsuki TANAKA | 2021-06-01 |
| 10662497 | Austenitic stainless steel and method of manufacturing the same | Jun Nakamura, Tomohiko Omura, Kana JOTOKU, Takahiro Osuki | 2020-05-26 |
| 10556298 | Welded joint and method of manufacturing welded joint | Kana JOTOKU, Tomohiko Omura, Jun Nakamura, Takahiro Osuki | 2020-02-11 |
| 10519533 | High Cr-based austenitic stainless steel | Atsuro Iseda, Hiroyuki Semba, Hirokazu Okada, Toshihide Ono, Katsuki TANAKA +2 more | 2019-12-31 |
| 10378091 | Welded joint | Kana JOTOKU, Yoshitaka Nishiyama, Hirokazu Okada, Shinnosuke Kurihara, Yuhei Suzuki | 2019-08-13 |
| 10266909 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Tomohiko Omura, Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Yusaku Tomio +3 more | 2019-04-23 |
| 10260125 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Tomohiko Omura, Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Yusaku Tomio +3 more | 2019-04-16 |
| 10071754 | Railcar with buffer | Ryosuke Ashida | 2018-09-11 |
| 10011286 | Front door for railcar | Hitoshi Nagahara, Naotake Honda, Toshiyuki Hirashima | 2018-07-03 |
| 9944300 | Railcar with end cap | Ryosuke Ashida | 2018-04-17 |
| 9482043 | Hinged door | Takahiro Kawashima, Tsunetoshi Goto | 2016-11-01 |
| 9328403 | Ni-based heat resistant alloy | Hiroyuki Semba, Hirokazu Okada, Mitsuru Yoshizawa, Atsuro Iseda | 2016-05-03 |
| 9302684 | Railcar door apparatus and railcar | Takahiro Kawashima, Tsunetoshi Goto | 2016-04-05 |
| 9211601 | Austenitic steel welded joint | Tomohiko Omura, Yusaku Tomio, Jun Nakamura | 2015-12-15 |
| 8865060 | Austenitic stainless steel | Takahiro Osuki, Kazuhiro Ogawa, Yoshitaka Nishiyama | 2014-10-21 |
| 8808473 | Austenitic heat resistant alloy | Hirokazu Okada, Hiroyuki Semba, Kazuhiro Ogawa, Atsuro Iseda, Mitsuru Yoshizawa | 2014-08-19 |
| 8801876 | Ni-based alloy product and producing method thereof | Atsuro Iseda, Hirokazu Okada, Hiroyuki Semba | 2014-08-12 |
| 8526129 | Lens unit, camera module and manufacturing method of lens unit | Haruo Arai, Masatoshi Hashimoto, Masahiro Suzuki | 2013-09-03 |