Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359268 | Carbonitrided bearing component | Yutaka Neishi, Tomohiro Yamashita, Takahisa Suzuki, Tatsuya Koyama, Takashi Sada +1 more | 2025-07-15 |
| 11965231 | Steel material to be starting material of carbonitrided bearing component | Yutaka Neishi, Tomohiro Yamashita, Takahisa Suzuki, Tatsuya Koyama, Takashi Sada +1 more | 2024-04-23 |
| 11326643 | Rolling sliding member and method of producing the same, and rolling bearing including rolling sliding member | Kohei Kanetani, Takashi Sada, Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi | 2022-05-10 |
| 11168387 | Steel material for carburized bearing part | Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Kohei Kanetani, Takashi Sada | 2021-11-09 |
| 10808305 | High-strength PC steel wire | Makoto Okonogi, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-10-20 |
| 10752974 | High-strength PC steel wire | Makoto Okonogi, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-08-25 |
| 10487379 | High-carbon steel wire rod with excellent wire drawability | Makoto Okonogi | 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 | Makoto Okonogi, Tatsusei TADA | 2019-10-29 |
| 10435765 | Wire rod for high strength steel cord | Makoto Okonogi | 2019-10-08 |
| 10174399 | High carbon steel wire rod and method for manufacturing same | Makoto Okonogi | 2019-01-08 |
| 10156001 | Filament for high strength steel cord | Makoto Okonogi | 2018-12-18 |
| 10081846 | Steel wire | Makoto Okonogi | 2018-09-25 |
| 10072317 | Filament | Makoto Okonogi | 2018-09-11 |
| 9212405 | Wire rod, steel wire, and manufacturing method thereof | Shingo Yamasaki, Toshiyuki Manabe, Nariyasu Muroga | 2015-12-15 |
| 8951365 | High strength steel and high strength bolt excellent in delayed fracture resistance and methods of production of same | Tetsushi Chida, Toshimi Tarui | 2015-02-10 |
| 8876988 | Steel for nitriding and nitrided part | Tetsushi Chida, Manabu Kubota, Toshimi Tarui, Masayuki Hashimura | 2014-11-04 |
| 8557060 | High-strength steel material with excellent hydrogen embrittlement resistance | Shingo Yamasaki, Toshimi Tarui, Seiki Nishida | 2013-10-15 |
| 8470099 | Wire rod, steel wire, and manufacturing method thereof | Shingo Yamasaki, Toshiyuki Manabe, Nariyasu Muroga | 2013-06-25 |
| 8016953 | High-strength steel material with excellent hydrogen embrittlement resistance | Shingo Yamasaki, Toshimi Tarui, Seiki Nishida | 2011-09-13 |