Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278024 | Method of making an electrical steel sheet provided with insulating coating | Kazumichi Sashi, Nobuko Nakagawa, Naoki Muramatsu, Chiyoko Tada | 2025-04-15 |
| 11177052 | Method of making an electrical steel sheet provided with insulating coating | Kazumichi Sashi, Nobuko Nakagawa, Naoki Muramatsu, Chiyoko Tada | 2021-11-16 |
| 10403417 | Electrical steel sheet provided with insulating coating | Kazumichi Sashi, Nobuko Nakagawa, Naoki Muramatsu, Chiyoko Tada | 2019-09-03 |
| 9534136 | Magnetic steel sheet with semi-organic insulation coating | Kazumichi Sashi, Hiroyuki Ogata, Chiyoko Tada, Nobuko Nakagawa, Tomofumi Shigekuni +1 more | 2017-01-03 |
| 9512331 | Surface treatment agent for zinc or zinc alloy coated steel sheet, zinc or zinc alloy coated steel sheet, and method of producing the steel sheet | Toru Imokawa, Takahiro Kubota, Etsuo Hamada, Masayasu Nagoshi | 2016-12-06 |
| 9358581 | Hot-dip galvanized steel sheet and method for producing the same | Rie Kaneko, Takahiro Kubota | 2016-06-07 |
| 8648135 | Surface-treatment agent, method for producing coated steel sheet using the surface-treatment agent, and coated steel sheet | Satoru Ando | 2014-02-11 |
| 7527876 | Surface-treated steel sheet | Akira Matsuzaki, Satoru Ando, Syuji Nomura, Takahiro Kubota, Yoshikazu Morohoshi +3 more | 2009-05-05 |
| 6872469 | Alloyed zinc dip galvanized steel sheet | Kazuaki Kyono | 2005-03-29 |
| 6030714 | Zinc and zinc-alloy hot-dip-coated steel sheet having decreased bare spots and excellent coating adhesion and a method for manufacturing the same | Kazuaki Kyono, Motonori Miyaoka, Nobuo Totsuka | 2000-02-29 |
| 5677005 | Method for hot dip galvanizing high tensile steel strip with minimal bare spots | Makoto Isobe, Kazuaki Kyono, Nobuo Totsuka, Nobuyuki Morito | 1997-10-14 |