Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441695 | High cleanliness spring steel and high cleanliness spring excellent in fatigue properties | Sei Kimura, Koichi Sakamoto, Atsuhiko Yoshida, Takeshi Inoue | 2016-09-13 |
| 9394593 | Bearing steel material with excellent rolling contact fatigue properties and a bearing part | Masaki Kaizuka, Mutsuhisa Nagahama, Masaki Shimamoto | 2016-07-19 |
| 9359661 | Bearing steel material with excellent rolling fatigue property and bearing part | Masaki Shimamoto, Yosuke Shindo, Masaki Kaizuka, Akihiro OWAKI, Sei Kimura +1 more | 2016-06-07 |
| 9290822 | Si-killed steel wire rod and spring | Koichi Sakamoto | 2016-03-22 |