Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981222 | Casting method for active metal | Yuzo Morikawa, Daisuke Matsuwaka, Hitoshi Ishida | 2021-04-20 |
| 10829840 | Steel sheet for hot pressing and hot pressed article using the same | Toshio Murakami, Junya Naitou, Keisuke Okita, Shinji Sato, Andreas Pichler +1 more | 2020-11-10 |
| 9938597 | Method for manufacturing press-formed product and press-formed product | Toshio Murakami, Hideo Hata, Junya Naitou, Keisuke Okita | 2018-04-10 |
| 9850554 | Hot-press formed product and method for manufacturing same | Junya Naitou, Toshio Murakami, Keisuke Okita | 2017-12-26 |
| 9611518 | Hot-press formed product and method for manufacturing same | Junya Naitou, Toshio Murakami, Keisuke Okita | 2017-04-04 |
| 9475113 | Process for producing hot press-formed product | Junya Naitou, Toshio Murakami, Keisuke Okita | 2016-10-25 |
| 9475112 | Hot press-formed product and process for producing same | Junya Naitou, Toshio Murakami, Keisuke Okita | 2016-10-25 |
| 9469891 | Press-forming product manufacturing method and press-forming facility | Keisuke Okita, Junya Naitou | 2016-10-18 |
| 9358602 | Method for producing press-formed product | Junya Naitou, Keisuke Okita | 2016-06-07 |
| 9315876 | Press-formed product and method for producing same | Keisuke Okita, Junya Naitou | 2016-04-19 |
| 9194015 | Dual phase steel sheet with good bake-hardening properties | Koichi Makii, Hiroshi Akamizu | 2015-11-24 |
| 9074272 | High-strength cold-rolled steel sheet excellent in uniform elongation and method for manufacturing same | Hiroshi Akamizu, Yoichi Mukai, Koichi Sugimoto | 2015-07-07 |
| 8597439 | High-strength cold rolled steel sheet having excellent formability, and plated steel sheet | Yoichi Mukai, Hiroshi Akamizu, Koichi Makii, Koichi Sugimoto, Shunichi Hashimoto +1 more | 2013-12-03 |
| 7833363 | Method for producing high-strength forged parts having high reduction of area | Koichi Makii, Hiroshi Akamizu, Yoichi Mukai, Koh-ichi Sugimoto | 2010-11-16 |
| 7591977 | High strength and low yield ratio cold rolled steel sheet and method of manufacturing the same | Hiroshi Akamizu, Koichi Makii, Yoichi Mukai, Koichi Sugimoto | 2009-09-22 |
| 7553380 | Dual-phase steel sheet excellent in stretch flange formability and production method thereof | Hiroshi Akamizu, Shunichi Hashimoto, Takahiro Kashima, Tatsuya Asai | 2009-06-30 |
| 7438770 | High strength spring steel having excellent hydrogen embrittlement resistance | Fumio Yuse, Kenji Saito, Koichi Sugimoto | 2008-10-21 |
| 7413617 | Composite structure sheet steel with excellent elongation and stretch flange formability | Koichi Sugimoto, Yoichi Mukai, Hiroshi Akamizu | 2008-08-19 |
| 7314532 | High-strength forged parts having high reduction of area and method for producing same | Koichi Makii, Hiroshi Akamizu, Yoichi Mukai, Koh-ichi Sugimoto | 2008-01-01 |
| 7090731 | High strength steel sheet having excellent formability and method for production thereof | Takahiro Kashima, Shunichi Hashimoto, Hiroshi Akamizu, Koh-ichi Sugimoto, Akihiko Nagasaka +2 more | 2006-08-15 |
| 7008488 | High-strength steel sheet having excellent workability and production process therefor | Hiroshi Akamizu, Koichi Makii | 2006-03-07 |
| 6316127 | Galvanized steel sheet superior in ductility and process for production thereof | Koichi Makii, Yosuke Shindo, Shunichi Hashimoto, Takahiro Kashima | 2001-11-13 |
| 6306527 | Hot-dip galvanized steel sheet and process for production thereof | Koichi Makii, Yosuke Shindo, Shunichi Hashimoto, Takahiro Kashima, Hiroshi Akamizu +1 more | 2001-10-23 |