Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774534 | Deformed reinforcing bar | Takashi Iwamoto, Kazukuni Hase | 2020-09-15 |
| 10618101 | Mechanical structural component and method for manufacturing same | Yuta IMANAMI, Takashi Iwamoto | 2020-04-14 |
| 10253397 | Pearlitic rail and method for manufacturing pearlitic rail | Tatsumi Kimura, Shigeru Endo, Moriyasu Yamaguchi | 2019-04-09 |
| 10125416 | Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized component | Yasuhiro Omori, Shinji Mitao, Takashi Iwamoto, Keisuke Ando, Kunikazu Tomita | 2018-11-13 |
| 10041160 | Steel for spring, and method for producing spring | Minoru Honjo, Shigeru Endo, Katsutoshi Yamashita, Koei Tsuru, Keiichi Fujie +1 more | 2018-08-07 |
| 9732395 | Ingot for bearing and production process | Minoru Honjo, Shinji Mitao | 2017-08-15 |
| 9034120 | Bearing steel being excellent both in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering | Yasumasa Hirai | 2015-05-19 |
| 8894779 | Bearing steel being excellent both in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property | Yasumasa Hirai | 2014-11-25 |
| 8302309 | Process for producing bearing device for wheel | Isao Hirai, Kohei Yoshino, Takayasu Takubo, Kazuhiko Yoshida, Kazukuni Hase +2 more | 2012-11-06 |