Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878657 | Sheet conveyance apparatus | Hiroaki Ura | 1989-11-07 |
| 4852635 | Method of electromagnetic stirring in continuous metal casting process | Toshiyasu Onishi, Kenzo Ayata, Hiroshi Takagi, Yasuo Suzuki, Yasuhiko Ohta +2 more | 1989-08-01 |