Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949418 | Safety programmable logic controller | Tsutomu Araki, Kuniyuki Niwa | 2011-05-24 |
| 7912558 | PLC for distributed control and distributed control system | Tsutomu Araki, Sutemaro Kato, Michael Niehaus | 2011-03-22 |