Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10889871 | Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss | Shigehiro Takajo, Masanori Uesaka | 2021-01-12 |
| 10535453 | Grain-oriented electrical steel sheet and method for manufacturing the same | Shigehiro Takajo, Hirotaka Inoue, Seiji Okabe | 2020-01-14 |
| 10395806 | Grain-oriented electrical steel sheet and method of manufacturing the same | Hirotaka Inoue, Shigehiro Takajo, Hiroi Yamaguchi, Seiji Okabe | 2019-08-27 |
| 10062483 | Grain-oriented electrical steel sheet and method for improving iron loss properties thereof | Hirotaka Inoue, Shigehiro Takajo, Hiroi Yamaguchi, Seiji Okabe | 2018-08-28 |
| 10031068 | Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method | Tomohiko Ito, Junichi Yotsuji, Shigehiro Takajo, Hiroi Yamaguchi, Yasunari Koga | 2018-07-24 |
| 10026533 | Grain-oriented electrical steel sheet for iron core and method of manufacturing the same | Shigehiro Takajo, Hiroi Yamaguchi, Seiji Okabe | 2018-07-17 |
| 9978488 | Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties | Yoshiaki Zaizen, Yoshihiko Oda, Hiroaki Toda | 2018-05-22 |
| 9939382 | Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet | Masayasu Nagoshi, Takako Yamashita, Yukio Usui, Shigehiro Takajo | 2018-04-10 |
| 9304078 | Electron gun abnormality detecting device and electron gun abnormality detecting method | Tomohiko Ito, Junichi Yotsuji, Shigehiro Takajo, Hiroi Yamaguchi, Yasunari Koga | 2016-04-05 |
| 8449699 | Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis | Taro Kizu, Koichiro Fujita, Eiko Yasuhara, Masatoshi Kumagai, Kenji Tahara +1 more | 2013-05-28 |
| 6231826 | Process and apparatus for refining silicon | Masamichi Abe, Hiroyuki Baba, Naomichi Nakamura, Noriyoshi Yuge, Yasuhiko Sakaguchi +2 more | 2001-05-15 |
| 6090361 | Method for producing silicon for use in solar cells | Hiroyuki Baba, Masamichi Abe, Naomichi Nakamura, Noriyoshi Yuge, Yasuhiko Sakaguchi +2 more | 2000-07-18 |
| 5961944 | Process and apparatus for manufacturing polycrystalline silicon, and process for manufacturing silicon wafer for solar cell | Fukuo Aratani, Yoshiei Kato, Yasuhiko Sakaguchi, Noriyoshi Yuge, Hiroyuki Baba +1 more | 1999-10-05 |