Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165326 | Eddy current decelerating apparatus | Kenji Imanishi, Takuya Fujita, Hiroyuki Yamaguchi, Hiroshi Nogami, Yasutaka Noguchi | 2021-11-02 |
| 8696835 | Austenitic stainless steel for hydrogen gas and a method for its manufacture | Hiroyuki Semba, Masaaki Igarashi, Tomohiko Omura, Kazuhiko Ogawa | 2014-04-15 |
| 8663400 | Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen | Tomohiko Omura, Hiroyuki Semba, Masaaki Igarashi | 2014-03-04 |
| 7749431 | Stainless steel for high-pressure hydrogen gas | Masaaki Igarashi, Hiroyuki Semba, Kazuhiro Ogawa, Tomohiko Omura | 2010-07-06 |
| 7531129 | Stainless steel for high-pressure hydrogen gas | Masaaki Igarashi, Hiroyuki Semba, Kazuhiro Ogawa, Tomohiko Omura | 2009-05-12 |
| 7393597 | Welded joint made of an austenitic steel | Kazuhiko Ogawa, Masaaki Igarashi, Hiroyuki Semba, Tomohiko Omura | 2008-07-01 |
| 7101446 | Austenitic stainless steel | Kiyoko Takeda, Haruhiko Kajimura | 2006-09-05 |
| 5489345 | Steel for use in exhaust manifolds of automobiles | Masao Koike, Kenji Higuchi, Tomoyuki Sugino, Shinji Shibata, Katsuhiko Maruyama | 1996-02-06 |