Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136107 | Surface treated steel sheet for battery containers, a battery container, and a battery produced thereof | Hitoshi Ohmura, Hirokazu Moriyama, Tatsuo Tomomori | 2000-10-24 |
| 6017599 | Laminated sheet and manufacturing method thereof | Yoshiki Sakamoto, Kenji Yasunaka, Atsuo Tanaka | 2000-01-25 |
| 5993994 | Surface treated steel sheet for battery containers, a battery container, and a battery produced thereof | Hitoshi Ohmura, Hirokazu Moriyama, Tatsuo Tomomori | 1999-11-30 |
| 5679181 | Method for manufacturing a corrosion resistant nickel plating steel sheet or strip | Hitoshi Ohmura, Yasuhiro Koyakumaru | 1997-10-21 |
| 5587248 | Corrosion resistant nickel plating steel sheet or strip and manufacturing method thereof | Hitoshi Ohmura, Yasuhiro Koyakumaru | 1996-12-24 |