Issued Patents 2021
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142813 | Non-oriented electrical steel sheet and manufacturing method therefor | Hiroaki Nakajima, Yoshiaki Zaizen, Tomoyuki Okubo, Yoshihiko Oda | 2021-10-12 |
| 11117181 | Method of manufacturing laminated iron core | Kunihiro Senda, Yoshihiko Oda | 2021-09-14 |
| 11114227 | Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet | Kunihiro Senda, Takeshi Omura | 2021-09-07 |
| 11056256 | Non-oriented electrical steel sheet and method of producing same | Yoshihiko Oda, Tomoyuki Okubo, Yoshiaki Zaizen, Tatsuhiko Hiratani | 2021-07-06 |
| 11045902 | Linear groove formation method and linear groove formation device | Shigehiro Takajo | 2021-06-29 |
| 11008633 | Non-oriented electrical steel sheet and production method thereof | Tadashi Nakanishi, Seiji Nabeshima, Tomoyuki Okubo, Yoshihiko Oda, Hiroaki Nakajima | 2021-05-18 |
| 11005345 | Punch processing method for electrical steel sheets and method for manufacturing laminated core | Kunihiro Senda, Yoshihiko Oda | 2021-05-11 |
| 10988822 | Grain-oriented electrical steel sheet and method for manufacturing same | Makoto Watanabe, Shigehiro Takajo | 2021-04-27 |
| 10927430 | Material for laminated iron core, and method of manufacturing laminated iron core | Kunihiro Senda, Yoshihiko Oda | 2021-02-23 |
| 10919081 | Punching method, punching device, and method for manufacturing laminated iron core | Kunihiro Senda, Yoshihiko Oda | 2021-02-16 |
| 10910152 | Laminated core manufacturing apparatus and laminated core manufacturing method | Kunihiro Senda, Yoshihiko Oda, Yoshihide Kamitani, Yasuhito Shioiri | 2021-02-02 |
| 10906082 | Laminated core manufacturing apparatus and laminated core manufacturing method | Kunihiro Senda, Yoshihiko Oda, Yoshihide Kamitani, Yasuhito Shioiri | 2021-02-02 |
| 10898939 | Punch processing method for laminated iron core and method for manufacturing laminated iron core | Kunihiro Senda, Yoshihiko Oda | 2021-01-26 |
| 10889875 | Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core | Masayasu Nagoshi, Tomohiro Matsushima, Makoto Watanabe, Shigehiro Takajo, Toshito Takamiya +1 more | 2021-01-12 |
| 10889871 | Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss | Shigehiro Takajo, Kazuhiro Hanazawa | 2021-01-12 |