Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381024 | Non-oriented electrical steel sheet and method for manufacturing the same | Yoshiaki Zaizen, Tomoyuki Okubo, Takaaki Tanaka, Yukino Miyamoto | 2025-08-05 |
| 12348079 | Motor core and method of manufacturing the same | Takaaki Tanaka, Tomoyuki Okubo | 2025-07-01 |
| 12331376 | Non-oriented electrical steel sheet and method for producing same | Tomoyuki Okubo, Takaaki Tanaka, Yoshiaki Zaizen | 2025-06-17 |
| 12146209 | Non-oriented electrical steel sheet and method for manufacturing slab used as material for the same | Akifumi Harada, Akitoshi Matsui, Tomoyuki Okubo, Masanori Uesaka | 2024-11-19 |
| 12123082 | Non-oriented electrical steel sheet | Yukino Miyamoto, Yoshiaki Zaizen | 2024-10-22 |
| 12018357 | Non-oriented electrical steel sheet and method of producing same | Yukino Miyamoto, Yoshiaki Zaizen | 2024-06-25 |
| 11962184 | Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core | Yoshiaki Zaizen, Tomoyuki Okubo, Takaaki Tanaka, Yukino Miyamoto | 2024-04-16 |
| 11946123 | Method of producing a non-oriented electrical steel sheet | Masanori Uesaka, Yoshiaki Zaizen, Tomoyuki Okubo, Hiroaki Nakajima | 2024-04-02 |
| 11732319 | Non-oriented electrical steel sheet | Yoshiaki Zaizen, Tomoyuki Okubo, Takaaki Tanaka, Yukino Miyamoto | 2023-08-22 |
| 11718891 | Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same | Yoshiaki Zaizen, Tomoyuki Okubo, Yukino Miyamoto | 2023-08-08 |
| 11649532 | Non-oriented electrical steel sheet and method of producing same | Masanori Uesaka, Yoshiaki Zaizen, Tomoyuki Okubo, Hiroaki Nakajima | 2023-05-16 |
| 11525169 | Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same | Yoshiaki Zaizen, Tomoyuki Okubo, Yukino Miyamoto | 2022-12-13 |
| 11404189 | Non-oriented electrical steel sheet and method for manufacturing the same | Tomoyuki Okubo, Yoshiaki Zaizen, Masanori Uesaka | 2022-08-02 |
| 11401589 | Multilayer electrical steel sheet | Yoshiaki Zaizen, Tatsuhiko Hiratani | 2022-08-02 |
| 11355271 | Multilayer electrical steel sheet | Yoshiaki Zaizen, Tatsuhiko Hiratani | 2022-06-07 |
| 11335485 | Multilayer electrical steel sheet | Yoshiaki Zaizen, Tatsuhiko Hiratani | 2022-05-17 |
| 11286537 | Non-oriented electrical steel sheet and method of producing same | Tomoyuki Okubo, Yoshiaki Zaizen, Masanori Uesaka | 2022-03-29 |
| 11225699 | Method for producing non-oriented electrical steel sheet | Yoshiaki Zaizen, Tomoyuki Okubo | 2022-01-18 |
| 11142813 | Non-oriented electrical steel sheet and manufacturing method therefor | Hiroaki Nakajima, Masanori Uesaka, Yoshiaki Zaizen, Tomoyuki Okubo | 2021-10-12 |
| 11136645 | Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core | Yoshiaki Zaizen, Tomoyuki Okubo | 2021-10-05 |
| 11117181 | Method of manufacturing laminated iron core | Kunihiro Senda, Masanori Uesaka | 2021-09-14 |
| 11104973 | Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core | Yoshiaki Zaizen, Tomoyuki Okubo | 2021-08-31 |
| 11056256 | Non-oriented electrical steel sheet and method of producing same | Tomoyuki Okubo, Yoshiaki Zaizen, Masanori Uesaka, Tatsuhiko Hiratani | 2021-07-06 |
| 11008633 | Non-oriented electrical steel sheet and production method thereof | Masanori Uesaka, Tadashi Nakanishi, Seiji Nabeshima, Tomoyuki Okubo, Hiroaki Nakajima | 2021-05-18 |
| 11005345 | Punch processing method for electrical steel sheets and method for manufacturing laminated core | Kunihiro Senda, Masanori Uesaka | 2021-05-11 |