Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870920 | Process of smoothing a coated-layer and the apparatus for use in such method | Takashi Kageyama | 1989-10-03 |
| 4863531 | Method for producing a grain-oriented electrical steel sheet having a low watt loss | Toshiya Wada, Osamu Tanaka, Takatoshi Egawa, Seizun Higuchi, Teruaki Izaki | 1989-09-05 |
| 4863850 | Method for diagnosis of rheumatoid arthritis | Naoki Yamanaka | 1989-09-05 |
| 4846939 | Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss | Seijun Higuchi, Teruaki Izaki, Osamu Tanaka | 1989-07-11 |
| 4800134 | High corrosion resistant plated composite steel strip | Teruaki Izaki, Masami Osawa, Seijun Higuchi, Akinori Maruta | 1989-01-24 |