Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280412 | Coil skid and steel sheet manufacturing method | Takayuki Otsuka, Tooru Akashi, Yuki TAKEUCHI, Hiroki Matsubara | 2025-04-22 |
| 11447848 | Steel sheet and manufacturing method of therefor | Takafumi Yokoyama, Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada +5 more | 2022-09-20 |
| 11377710 | Steel sheet and manufacturing method therefor | Takafumi Yokoyama, Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada +5 more | 2022-07-05 |
| 11326234 | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet | Takafumi Yokoyama, Riki Okamoto, Yuji Yamaguchi, Yuichi Nakahira, Hiroyuki Kawata | 2022-05-10 |