Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077489 | Steel sheet for soft-nitriding and method for manufacturing the same | Takashi Kobayashi, Nobuyuki Nakamura | 2018-09-18 |
| 9212411 | High strength steel sheet and method for manufacturing the same | Koichi Nakagawa, Takeshi Yokota, Kazuhiro Seto, Satoshi Kinoshiro, Yuji Tanaka +2 more | 2015-12-15 |
| 9194017 | Hot-rolled steel sheet having excellent cold formability and hardenability and method for manufacturing the same | Nobuyuki Nakamura, Takashi Kobayashi | 2015-11-24 |
| 9068238 | High tensile strength hot rolled steel sheet having excellent formability and method for manufacturing the same | Tamako Ariga, Katsumi Nakajima | 2015-06-30 |
| 7527700 | High strength hot rolled steel sheet and method for manufacturing the same | Nobusuke Kariya, Shusaku Takagi, Tetsuo Shimizu, Kei Sakata, Hiroshi Takahashi | 2009-05-05 |
| 7485194 | High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics | Kei Sakata | 2009-02-03 |
| 7347902 | High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming | Kei Sakata, Kazuhiro Seto | 2008-03-25 |
| 5172183 | Glow discharge atomic emission spectroscopy and apparatus thereof | Michio Katayama, Masao Yokoi, Yasuko Furunushi | 1992-12-15 |