Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7456724 | Electrical steel sheet for low-noise transformer and low-noise transformer | Hisashi Mogi, Masahiro Fujikura, Shuichi Yamazaki, Masato Mizokami, Masao Yabumoto | 2008-11-25 |
| 6375765 | Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof | Manabu Takahashi, Koji Kishida, Matsuo Usuda, Tohru Yoshida | 2002-04-23 |
| 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 | Naoki Yoshinaga, Kohsaku Ushioda, 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, Naoki Yoshinaga, Yoshikazu Matsumura, 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 | Naoki Yoshinaga, Kohsaku Ushioda, 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, Naoki Yoshinaga | 1995-01-24 |
| 5074924 | Process for producing galvanized, non-aging cold rolled steel sheets having good formability in a continuous galvanizing line | Kohsaku Ushioda, Naoki Yoshinaga, Tomohisa Katayama, Masakazu Oshimi | 1991-12-24 |
| 4961793 | High-strength cold-rolled steel sheet having high r value and process for manufacturing the same | Koji Kishida | 1990-10-09 |
| 4960158 | Process for producing a zinc-plated steel sheet with an ageing resistance by hot dip-type, continuous zinc plating | Teruaki Yamada, Toshiyasu Ukena, Masahiko Oda, Teruki Hayashida | 1990-10-02 |
| 4931107 | Process for producing a cold rolled steel sheet having a good ageing resistance by continuous annealing | Teruaki Yamada, Toshiyasu Ukena, Kenji Kawai, Yuuji Sano, Teruki Hayashida | 1990-06-05 |
| 4925500 | High-strength hot-rolled steel sheet having remarkably excellent cold workability and process for manufacturing the same | Koji Kishida | 1990-05-15 |
| 4551182 | Process for producing deep-drawing cold rolled steel sheets and strips | Teruaki Yamada, Shigeru Ueda, Yoshikuni Tokunaga, Masato Yamada | 1985-11-05 |
| 4478649 | Method for producing a cold-rolled steel sheet having excellent formability | Seiryo Hatae, Hiroaki Toki, Kichi Nakazawa, Atsuhiro Wakako | 1984-10-23 |
| 4315783 | Method of producing non-ageing cold rolled steel strip with excellent deep-drawability by continuous heat treatment | Teruaki Yamada, Munetsugu Matsuo, Norimasa Uehara | 1982-02-16 |