Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866725 | Steel pipe excellent in formability and method of producing the same | Nobuhiro Fujita, Manabu Takahashi, Hitoshi Asahi, Yasuhiro Shinohara, Yasushi Hasegawa | 2005-03-15 |
| 6706419 | Cold-rolled steel sheet or hot-rolled steel sheet excellent in painting bake hardenability and anti aging property at room temperature, and method of producing the same | Manabu Takahashi, Natsuko Sugiura, Akihiro Miyasaka, Masaaki Sugiyama | 2004-03-16 |
| 6632296 | Steel pipe having high formability and method for producing the same | Nobuhiro Fujita, Manabu Takahashi, Yasuhiro Shinohara, Tohru Yoshida, Natsuko Sugiura | 2003-10-14 |
| 5954896 | Cold rolled steel sheet and galvanized steel sheet having improved homogeneity in workability and process for producing same | Kazuo Koyama, Masayoshi Suehiro, Natsuko Hashimoto | 1999-09-21 |
| 5690755 | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet having excellent bake hardenability, non-aging properties at room temperature and good formability and process for producing the same | Kohsaku Ushioda, Osamu Akisue, Yoshikazu Matsumura, Kunio Nishimura | 1997-11-25 |
| 5486241 | Non-aging at room temperature ferritic single-phase cold-rolled steel sheet and hot-dip galvanized steel sheet for deep drawing having excellent fabrication embrittlement resistance and paint-bake hardenability and process for producing the same | Kohsaku Ushioda, Yoshikazu Matsumura, Osamu Akisue, Kunio Nishimura, Hidekuni Murakami | 1996-01-23 |
| 5470403 | Cold rolled steel sheet and hot dip zinc-coated cold rolled steel sheet having excellent bake hardenability, non-aging properties and formability, and process for producing same | Kohsaku Ushioda, Osamu Akisue, Kunio Nishimura | 1995-11-28 |
| 5384206 | High-strength cold-rolled steel strip and molten zinc-plated high-strength cold-rolled steel strip having good formability and method of producing such strips | Kohsaku Ushioda, Osamu Akisue | 1995-01-24 |
| 5074924 | Process for producing galvanized, non-aging cold rolled steel sheets having good formability in a continuous galvanizing line | Kohsaku Ushioda, Osamu Akisue, Tomohisa Katayama, Masakazu Oshimi | 1991-12-24 |