Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699080 | Programming method and apparatus for programmable controller | Atsushi Itoh, Tsurumasa Matsushita, Tsutomu Sunaga | 1997-12-16 |
| 5197129 | Input/output device and a control system incorporating such a device | Masahiro Kayama, Yasuo Morooka, Katsuhiro Fujiwara | 1993-03-23 |
| 5065307 | Apparatus for insulating and preventing noise in the output of a sequence controller | Katsuhiro Fujiwara, Kazunori Umeda | 1991-11-12 |
| D307740 | Programmable controller | Masato Shibayama, Kazuyuki Tsuburaya, Michiaki Kotsuka, Katsuhiro Fujiwara | 1990-05-08 |
| 4833589 | Programmable sequence controller | Katsuhiro Fujiwara, Toshiro Kasahara, Hiromi Oshida | 1989-05-23 |
| 4807178 | Programmable sequence controller having indirect and direct input/output apparatus | Katsuhiro Fujiwara, Toshiro Kasahara | 1989-02-21 |