Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8430974 | Carburized and induction-hardened component | Takao Taniguchi, Hisao Shirai, Kouji Ohbayashi, Kazuaki Okada, Shuji Kozawa | 2013-04-30 |
| 7998282 | Heat treatment method of steel components, steel components and manufacture method of steel components | Takao Taniguchi, Hisao Shirai, Koji Ohbayashi, Kazuaki Okada, Shuji Kozawa | 2011-08-16 |
| 7070664 | High strength bolt superior in delayed fracture resistant property and steel material for the same | Nobuyoshi Uno | 2006-07-04 |
| 6866724 | Steel bar or wire rod for cold forging and method of producing the same | Tatsuro Ochi, Ken Naito | 2005-03-15 |
| 6602359 | Bar or wire product for use in cold forging and method for producing the same | Tatsuro Ochi, Ken Naito | 2003-08-05 |
| 6602358 | Outer race for constant velocity joint, having improved anti-flaking properties and shaft strength, and process for producing the same | Tatsuro Ochi, Kenichiro Naito, Joji Tamura, Masayoshi Saga | 2003-08-05 |
| 6551419 | Hot-rolled steel wire and rod for machine structural use and a method for producing the same | Tatsuro Ochi, Manabu Kubota, Koji Tanabe, Kiichiro Tsuchida | 2003-04-22 |
| 6547890 | Steel wire rod for cold forging and method for producing the same | Tatsuro Ochi, Manabu Kubota, Koji Tanabe, Kiichiro Tsuchida | 2003-04-15 |
| 6488787 | Cold workable steel bar or wire and process | Tatsuro Ochi, Manabu Kubota, 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 | Tatsuro Ochi, Manabu Kubota, Koji Tanabe, Kiichiro Tsuchida | 2002-11-05 |
| 6419761 | Steels for cold forging and process for producing the same | Masayuki Hashimura, Makoto Okonogi | 2002-07-16 |
| 6383311 | High strength drive shaft and process for producing the same | Tatsuro Ochi, Kenichiro Naito, Joji Tamura, Masayoshi Saga | 2002-05-07 |
| 6261388 | Cold forging steel having improved resistance to grain coarsening and delayed fracture and process for producing same | Manabu Kubota, Tatsuro Ochi, Atsushi Murakami, Masao Ishida | 2001-07-17 |
| 6036790 | Non-tempered steel for mechanical structure | Hiromasa Takada, Tetsuro Hashiguchi | 2000-03-14 |
| 4288535 | Process for preparing silver halide photographic emulsions | Tamio Kitahata, Hideo Horie | 1981-09-08 |