Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8535459 | Steel material for hardening | Kei Miyanishi, Shuji Kozawa | 2013-09-17 |
| 8475605 | Surface layer-hardened steel part and method of manufacturing the same | Tatsuro Ochi | 2013-07-02 |
| 8386671 | Communication system, communication device and communication method | Miki Yamasaki, Kazuhisa Obuchi, Yoshiharu Tajima, Yoshinori Soejima, Chiaki Shinohara +2 more | 2013-02-26 |
| 8386862 | Fault diagnosis apparatus and fault diagnosis method of multi-channel analog input/output circuit | Hisashi Terae, Masakazu Ishikawa, Yasuyuki Furuta, Katsumi Yoshida, Atsushi Nishioka +6 more | 2013-02-26 |
| 7754029 | Steel with excellent delayed fracture resistance and tensile strength of 1801 MPa class or more, and its shaped article | Suguru Yoshida, Toshimi Tarui, Hideki Matsuda, Koki Mizuno, Tadashi Ohya | 2010-07-13 |
| 7510614 | High strength bolt excellent in delayed fracture resistance and method of production of same | Suguru Yoshida, Toshimi Tarui, Hideki Matsuda, Tadashi Ohya, Koki Mizuno | 2009-03-31 |
| 6660105 | Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized parts | Tatsuro Ochi | 2003-12-09 |
| 6551419 | Hot-rolled steel wire and rod for machine structural use and a method for producing the same | Hideo Kanisawa, Tatsuro Ochi, Koji Tanabe, Kiichiro Tsuchida | 2003-04-22 |
| 6547890 | Steel wire rod for cold forging and method for producing the same | Hideo Kanisawa, Tatsuro Ochi, Koji Tanabe, Kiichiro Tsuchida | 2003-04-15 |
| 6488787 | Cold workable steel bar or wire and process | Tatsuro Ochi, Hideo Kanisawa, Koji Adachi, Ryuichi Seki | 2002-12-03 |
| 6475306 | Hot rolled steel wire rod or bar for machine structural use and method for producing the same | Hideo Kanisawa, Tatsuro Ochi, Koji Tanabe, Kiichiro Tsuchida | 2002-11-05 |
| 6261388 | Cold forging steel having improved resistance to grain coarsening and delayed fracture and process for producing same | Tatsuro Ochi, Hideo Kanisawa, Atsushi Murakami, Masao Ishida | 2001-07-17 |