Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9194015 | Dual phase steel sheet with good bake-hardening properties | Shushi Ikeda, Koichi Makii | 2015-11-24 |
| 9074272 | High-strength cold-rolled steel sheet excellent in uniform elongation and method for manufacturing same | Yoichi Mukai, Shushi Ikeda, Koichi Sugimoto | 2015-07-07 |
| 8597439 | High-strength cold rolled steel sheet having excellent formability, and plated steel sheet | Shushi Ikeda, Yoichi Mukai, Koichi Makii, Koichi Sugimoto, Shunichi Hashimoto +1 more | 2013-12-03 |
| 7887648 | Ultrahigh-strength thin steel sheet | Junichiro Kinugasa, Fumio Yuse, Yoichi Mukai, Shinji Kozuma, Kouji Kasuya +2 more | 2011-02-15 |
| 7833363 | Method for producing high-strength forged parts having high reduction of area | Shushi Ikeda, Koichi Makii, Yoichi Mukai, Koh-ichi Sugimoto | 2010-11-16 |
| 7767036 | High strength cold rolled steel sheet and plated steel sheet excellent in the balance of strength and workability | Takahiro Kashima, Yoichi Mukai, Koichi Sugimoto | 2010-08-03 |
| 7637137 | Press forming method of formed member with flange | Jiro Iwaya | 2009-12-29 |
| 7591977 | High strength and low yield ratio cold rolled steel sheet and method of manufacturing the same | Shushi Ikeda, Koichi Makii, Yoichi Mukai, Koichi Sugimoto | 2009-09-22 |
| 7553380 | Dual-phase steel sheet excellent in stretch flange formability and production method thereof | Shushi Ikeda, Shunichi Hashimoto, Takahiro Kashima, Tatsuya Asai | 2009-06-30 |
| 7413617 | Composite structure sheet steel with excellent elongation and stretch flange formability | Shushi Ikeda, Koichi Sugimoto, Yoichi Mukai | 2008-08-19 |
| 7314532 | High-strength forged parts having high reduction of area and method for producing same | Shushi Ikeda, Koichi Makii, 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, Shushi Ikeda, Koh-ichi Sugimoto, Akihiko Nagasaka +2 more | 2006-08-15 |
| 7008488 | High-strength steel sheet having excellent workability and production process therefor | Shushi Ikeda, Koichi Makii | 2006-03-07 |
| 6306527 | Hot-dip galvanized steel sheet and process for production thereof | Shushi Ikeda, Koichi Makii, Yosuke Shindo, Shunichi Hashimoto, Takahiro Kashima +1 more | 2001-10-23 |