Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203797 | Steel wire and wire rod | Shingo Yamasaki, Akifumi Kawana, Hideaki Gotohda | 2021-12-21 |
| 10808305 | High-strength PC steel wire | Daisuke Hirakami, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-10-20 |
| 10752974 | High-strength PC steel wire | Daisuke Hirakami, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-08-25 |
| 10704118 | Steel wire and wire rod | Shingo Yamasaki, Akifumi Kawana, Hideaki Gotohda | 2020-07-07 |
| 10533242 | Steel for cold forging | Takahiko Kohtake, Kazuto Kawakami | 2020-01-14 |
| 10487379 | High-carbon steel wire rod with excellent wire drawability | Daisuke Hirakami | 2019-11-26 |
| 10457998 | Wire rod for non heat-treated mechanical part, steel wire for non heat-treated mechanical part, and non heat-treated mechanical part | Daisuke Hirakami, Tatsusei TADA | 2019-10-29 |
| 10435765 | Wire rod for high strength steel cord | Daisuke Hirakami | 2019-10-08 |
| 10287658 | Wire material for non-heat treated component, steel wire for non-heat treated component, and non-heat treated component and manufacturing method thereof | Shingo Yamasaki, Akifumi Kawana, Hideaki Gotohda | 2019-05-14 |
| 10174399 | High carbon steel wire rod and method for manufacturing same | Daisuke Hirakami | 2019-01-08 |
| 10156001 | Filament for high strength steel cord | Daisuke Hirakami | 2018-12-18 |
| 10081846 | Steel wire | Daisuke Hirakami | 2018-09-25 |
| 10072317 | Filament | Daisuke Hirakami | 2018-09-11 |
| 8186696 | Steering tie rod end made of steel and method of manufacturing the same | Takeshi Komoto, Hitoshi Sakuma, Takashi Hirano, Hiroyuki Mizuno, Shinya Teramoto +2 more | 2012-05-29 |
| 7815750 | Method of production of steel soft nitrided machine part | Kenichiro Naito, Kohki Mizuno, Hideki Matsuda, Seiji Kobayashi | 2010-10-19 |
| 6419761 | Steels for cold forging and process for producing the same | Masayuki Hashimura, Hideo Kanisawa | 2002-07-16 |