TO

Takayuki Oshiga

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Overall (All Time): #889,094 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
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