Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876160 | Organic composite-plated steel sheet | Motoo Kabeya, Takashi Shimazu, Fumio Yamazaki | 1989-10-24 |
| 4861441 | Method of making a black surface treated steel sheet | Katushi Saito, Toshimichi Murata, Fumio Yamazaki, Takashi Shimazu | 1989-08-29 |
| 4812371 | Zn-Al hot-dip galvanized steel sheet having improved resistance against secular peeling of coating | Motoo Kabeya | 1989-03-14 |