Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305266 | High-strength steel plate having excellent formability, toughness and weldability, and production method of same | Hiroyuki Kawata, Eisaku Sakurada, Kohichi Sano | 2025-05-20 |
| 12281392 | Hot dip galvanized steel sheet and method for producing same | Hiroyuki Kawata, Kunio Hayashi, Yuji Yamaguchi, Satoshi Uchida | 2025-04-22 |
| 12098440 | Steel sheet and method for producing same | Yusuke TSUNEMI, Tatsuya Obuchi, Akinobu Minami, Takuya Kuwayama | 2024-09-24 |
| 12006562 | Hot dip galvanized steel sheet and method for producing same | Hiroyuki Kawata, Kunio Hayashi, Yuji Yamaguchi, Satoshi Uchida | 2024-06-11 |
| 11970752 | Steel sheet | Kengo Takeda, Hiroyuki Kawata, Katsuya Nakano | 2024-04-30 |
| 11905570 | Hot dip galvanized steel sheet and method for producing same | Hiroyuki Kawata, Kunio Hayashi, Yuji Yamaguchi, Satoshi Uchida | 2024-02-20 |
| 11885025 | High-strength steel sheet having excellent moldability and impact resistance, and method for manufacturing high-strength steel sheet having excellent moldability and impact resistance | Hiroyuki Kawata, Eisaku Sakurada, Kohichi Sano | 2024-01-30 |
| 11859259 | Zinc-plated steel sheet and manufacturing method thereof | Kunio Hayashi, Masahiro Nakata, Yuji Yamaguchi, Satoshi Uchida | 2024-01-02 |
| 11814708 | Hot dip galvanized steel sheet and method for producing same | Hiroyuki Kawata, Kunio Hayashi, Yuji Yamaguchi, Satoshi Uchida | 2023-11-14 |
| 11732321 | Steel sheet and method of producing same | Kengo Takeda, Hitoshi Nikaido, Hiroyuki Kawata | 2023-08-22 |
| 11685963 | Zinc-plated steel sheet and manufacturing method thereof | Kunio Hayashi, Masahiro Nakata, Yuji Yamaguchi, Satoshi Uchida | 2023-06-27 |
| 11680303 | Steel sheet and manufacturing method therefor | Riki Okamoto, Kohichi Sano, Hiroyuki Kawata, Kohei Ueda, Eisaku Sakurada | 2023-06-20 |
| 11447848 | Steel sheet and manufacturing method of therefor | Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi +5 more | 2022-09-20 |
| 11377710 | Steel sheet and manufacturing method therefor | Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi +5 more | 2022-07-05 |
| 11332803 | High strength hot-dip galvanized steel sheet and production method therefor | Yuji Yamaguchi, Masahiro Nakata, Kunio Hayashi, Satoshi Uchida, Takuma KAWANAKA | 2022-05-17 |
| 11326234 | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet | Riki Okamoto, Yuji Yamaguchi, Kazuki Shiokawa, Yuichi Nakahira, Hiroyuki Kawata | 2022-05-10 |
| 11174529 | High-strength steel sheet and method of manufacturing the same | Riki Okamoto, Yoshinari Ishida, Yoshihiro Suwa | 2021-11-16 |
| 10724114 | High-strength cold-rolled steel sheet, high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet | Hiroyuki Kawata, Riki Okamoto | 2020-07-28 |
| 10718044 | Hot-dip galvanized steel sheet | Kunio Hayashi, Masafumi Azuma, Eisaku Sakurada, Hiroyuki Kawata, Genki Abukawa | 2020-07-21 |
| 10351942 | Hot-dip galvannealed hot-rolled steel sheet and process for producing same | Shigeki Nomura | 2019-07-16 |
| 6025455 | Process of producing hydrophobic organosilica sol | Keiko Yoshitake | 2000-02-15 |
| 5902226 | Method of preparing a propanol sol of silica | Keiko Tasaki, Yasuyoshi Hamada | 1999-05-11 |