Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10364478 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Takeshi Yamamoto | 2019-07-30 |
| 10266928 | Method for producing a cold-rolled steel sheet | Yuri Toda, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida +2 more | 2019-04-23 |
| 10267285 | Rotation drive apparatus | — | 2019-04-23 |
| 10167539 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita | 2019-01-01 |
| 10060006 | High-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2018-08-28 |
| 9988697 | High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof | Yoshihiro Suwa, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2018-06-05 |
| 9797024 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Takeshi Yamamoto | 2017-10-24 |
| 9752217 | Hot-rolled steel sheet and method of producing the same | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Takeshi Yamamoto | 2017-09-05 |
| 9719151 | Steel sheet, plated steel sheet, and method for producing the same | Hiroyuki Tanaka, Kunio Hayashi, Toshio Ogawa, Koichi Goto | 2017-08-01 |
| 9631265 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita | 2017-04-25 |
| 9587287 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Takeshi Yamamoto | 2017-03-07 |
| 9567658 | Cold-rolled steel sheet | Yuri Toda, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida +2 more | 2017-02-14 |
| 9512508 | High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof | Hiroshi Shuto, Nobuhiro Fujita, Tatsuo Yokoi, Riki Okamoto, Shinichiro Watanabe | 2016-12-06 |
| 9453269 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Takeshi Yamamoto | 2016-09-27 |
| 9347122 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2016-05-24 |
| 9267196 | Method of producing a hot rolled steel sheet | Riki Okamoto, Nobuhiro Fujita, Manabu Takahashi, Kunio Hayashi, Tetsuo Kishimoto +1 more | 2016-02-23 |
| 4483747 | Monomer removal from the slurry of vinyl chloride resin with steam by using improved plate tower | Shiro Aruga, Kyuichi Mito, Kei Mukai, Mikio Shinkai | 1984-11-20 |
| 4369092 | Process for removing monomer from vinyl chloride resin slurry by steam treatment and apparatus employed therefor | Masaaki Fukuda, Kyuichi Mito, Mikio Shinkai, Shiro Aruga | 1983-01-18 |