Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056028 | Production management system with simultaneous multiple data transmission | Masayasu Arakawa, Masanao Yamamoto | 1991-10-08 |
| 4984349 | Method of and apparatus for emergency shutdown of production line | Masayasu Arakawa | 1991-01-15 |