Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146209 | Non-oriented electrical steel sheet and method for manufacturing slab used as material for the same | Akifumi Harada, Akitoshi Matsui, Yoshihiko Oda, Tomoyuki Okubo | 2024-11-19 |
| 11946123 | Method of producing a non-oriented electrical steel sheet | Yoshiaki Zaizen, Tomoyuki Okubo, Hiroaki Nakajima, Yoshihiko Oda | 2024-04-02 |
| 11649532 | Non-oriented electrical steel sheet and method of producing same | Yoshiaki Zaizen, Tomoyuki Okubo, Hiroaki Nakajima, Yoshihiko Oda | 2023-05-16 |
| 11404189 | Non-oriented electrical steel sheet and method for manufacturing the same | Tomoyuki Okubo, Yoshiaki Zaizen, Yoshihiko Oda | 2022-08-02 |
| 11286537 | Non-oriented electrical steel sheet and method of producing same | Yoshihiko Oda, Tomoyuki Okubo, Yoshiaki Zaizen | 2022-03-29 |
| 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 |
| 10889871 | Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss | Shigehiro Takajo, Kazuhiro Hanazawa | 2021-01-12 |
| 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 |
| 10697038 | 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 | 2020-06-30 |
| 10458021 | Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating | Takashi Terashima, Makoto Watanabe, Ryuichi Suehiro, Toshito Takamiya | 2019-10-29 |
| 10435791 | Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating | Takashi Terashima, Makoto Watanabe, Ryuichi Suehiro, Toshito Takamiya | 2019-10-08 |
| 10431359 | Method for producing grain-oriented electrical steel sheet | Minoru Takashima, Takeshi Imamura | 2019-10-01 |
| 10395807 | Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion | Takashi Terashima, Makoto Watanabe, Ryuichi Suehiro, Toshito Takamiya | 2019-08-27 |