Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171547 | Austenitic stainless steel having excellent sulfuric acid corrosion resistance and excellent workability | Masayuki Sagara, Haruhiko Kajimura | 2001-01-09 |
| 5944917 | Stainless steel for ozone added water and manufacturing method thereof | Kiyoko Takeda, Yoshio Tarutani, Yoshitaka Nishiyama, Yasushi Matsuda | 1999-08-31 |
| 5672215 | Duplex stainless steel excellent in corrosion resistance | Kazuhiro Ogawa | 1997-09-30 |
| 5409551 | Method for minimizing surface roughening of tungsten-containing rolls and other metallic articles | Yoshiaki Kusaba, Hideaki Miyuki, Hideo Yamamoto | 1995-04-25 |
| 5284530 | Duplex stainless steel having improved corrosion resistance | Takeo Kudo, Tadashi Fukuda | 1994-02-08 |