Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892110 | Numerical control unit | Hajime Ishii | 2005-05-10 |
| 5253140 | Connector unit for input/output module of programmable controller having disengagement lever | Takashi Yamauchi | 1993-10-12 |
| 5175487 | Output circuit | — | 1992-12-29 |
| 5097438 | Dynamic electric signal output circuit | — | 1992-03-17 |
| 5050118 | PLC device having combined hardware and software input filtering | Takashi Yamauchi | 1991-09-17 |
| 5016086 | IC card | Yutaka Mizuno | 1991-05-14 |
| 4761566 | Input circuit for converting contact signal into a voltage signal | Junichi Satoh | 1988-08-02 |
| 4755934 | System for selecting an address in an input/output board | — | 1988-07-05 |
| 4681997 | Wire-cut, electric discharge machining power supply unit | Haruki Obara, Shunzo Izumiya | 1987-07-21 |
| 4564768 | Contactless relay | Hidetsugu Komiya | 1986-01-14 |
| 4554462 | Non-polarized contactless relay | Hidetsugu Komiya, Yoshiyuki Saitoh | 1985-11-19 |
| 4517663 | Method of rewriting data in non-volatile memory, and system therefor | Ryoji Imazeki | 1985-05-14 |
| 4447887 | Method of rewriting data in non-volatile memory, and system therefor | Ryoji Imazeki | 1984-05-08 |
| 4445199 | Portable bubble memory apparatus | Ryoji Imazeki, Hidetsugu Komiya | 1984-04-24 |
| 4393500 | Method of modifying data stored in non-volatile memory and testing for power failure occurring during modification | Ryoji Imazeki | 1983-07-12 |
| 4368532 | Memory checking method | Ryoji Imazeki | 1983-01-11 |