Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318640 | Surface treatment method and composition for zinc coated steel sheet | Hitoshii Ishii, Toshi Miyawaki, Shizuo Shima | 1994-06-07 |
| 5314659 | Hard facing chromium-base alloys | Kensuke Hidaka, Kanichi Tanaka, Yoshio Kohira, Hideshi Yamaguchi, Yoshinao Suzuki +4 more | 1994-05-24 |
| 5283131 | Zinc-plated metallic material | Shinji Nomura | 1994-02-01 |