Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098450 | Tracked undercarriage component, and method for producing the same | Eiji Amada, Kazuo Maeda, Naomi Kobayashi, Takashi Noda, Mamoru HATANO +3 more | 2024-09-24 |
| 12006557 | Steel material and component | Makoto Egashira | 2024-06-11 |
| 11459630 | Bearing steel component, and steel bar for bearing steel component | Tatsuya Koyama, Yutaka Neishi | 2022-10-04 |
| 10889870 | Steel component, gear component, and producing method for steel component | Koji Obayashi, Kazuaki Okada, Keisuke Matsuzaka, Masashi SAKAKIBARA, Manabu Kubota +1 more | 2021-01-12 |
| 10808304 | Steel for induction hardening | Yutaka Neishi, Akira Shiga | 2020-10-20 |
| 10801091 | Steel for induction hardening | Akira Shiga, Yutaka Neishi | 2020-10-13 |
| 10793937 | Steel for induction hardening | Toshiharu Aiso, Suguru Yoshida | 2020-10-06 |
| 9890446 | Steel for induction hardening roughly shaped material for induction hardening | Manabu Kubota, Toshiharu Aiso | 2018-02-13 |
| 9777343 | Steel for surface hardening for machine structural use and part for machine structural use | Atsushi Mizuno, Masayuki Hashimura, Shuji Kozawa | 2017-10-03 |
| 9487848 | Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part | Shinya Teramoto, Masayuki Hashimura | 2016-11-08 |
| 9476112 | Steel wire rod or steel bar having excellent cold forgeability | Atsushi Monden, Shingo Yamasaki, Shunta Homma | 2016-10-25 |
| 9376738 | Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part | Shinya Teramoto, Masayuki Hashimura | 2016-06-28 |
| 9156231 | Steel for machine structure use for surface hardening and steel part for machine structure use | Atsushi Mizuno, Masayuki Hashimura, Hajime Saitoh, Shuji Kozawa | 2015-10-13 |
| 9139894 | Steel for machine structure exhibiting excellent machinability | Toshiharu Aiso, Suguru Yoshida, Manabu Kubota, Shuji Kozawa | 2015-09-22 |
| 9127336 | Hot-working steel excellent in machinability and impact value | Masayuki Hashimura, Atsushi Mizuno | 2015-09-08 |
| 9039962 | Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part | Manabu Kubota, Toshiharu Aiso | 2015-05-26 |
| 8980022 | Case hardening steel, carburized component, and manufacturing method of case hardening steel | Masayuki Hashimura, Shuuji Kozawa, Manabu Kubota, Tatsuro Ochi | 2015-03-17 |
| 8802005 | Steel for surface hardening for machine structural use and part for machine structural use | Atsushi Mizuno, Masayuki Hashimura, Shuji Kozawa | 2014-08-12 |
| 8801873 | Carburized steel part | Toshiharu Aiso | 2014-08-12 |
| 8673094 | Case hardening steel and manufacturing method thereof | Masayuki Hashimura, Shuji Kozawa, Manabu Kubota, Tatsuro Ochi | 2014-03-18 |
| 8545137 | Cutting method of steel for machine structural use | Toshiharu Aiso, Suguru Yoshida | 2013-10-01 |
| 8535459 | Steel material for hardening | Manabu Kubota, Shuji Kozawa | 2013-09-17 |