Katsuhiro Fujiwara

Person

Narashino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Input/output device and a control system incorporating such a device
- Patent number 5,197,129
- Issue date Mar 23, 1993
- Hitachi, Ltd.
- Masahiro Kayama
- G05 - CONTROLLING REGULATING
Information Patent Grant
Sequence controller
- Patent number 5,070,476
- Issue date Dec 3, 1991
- Hitachi, Ltd.
- Katsuhiro Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for insulating and preventing noise in the output of a se...
- Patent number 5,065,307
- Issue date Nov 12, 1991
- Hitachi, Ltd.
- Takayuki Oshiga
- G05 - CONTROLLING REGULATING
Information Patent Grant
Programmable controller
- Patent number D307740
- Issue date May 8, 1990
- Hitachi, Ltd.
- Masato Shibayama
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Programmable sequence controller
- Patent number 4,833,589
- Issue date May 23, 1989
- Hitachi, Ltd.
- Takayuki Oshiga
- G05 - CONTROLLING REGULATING
Information Patent Grant
Programmable sequence controller having indirect and direct input/o...
- Patent number 4,807,178
- Issue date Feb 21, 1989
- Hitachi, Ltd.
- Katsuhiro Fujiwara
- G05 - CONTROLLING REGULATING
Information Patent Grant
Sequence control apparatus
- Patent number 4,748,553
- Issue date May 31, 1988
- Hitachi, Ltd.
- Atsushi Itoh
- G05 - CONTROLLING REGULATING
Information Patent Grant
Sequence control apparatus
- Patent number 4,502,112
- Issue date Feb 26, 1985
- Hitachi, Ltd.
- Katsuhiro Fujiwara
- G05 - CONTROLLING REGULATING

Katsuhiro Fujiwara

Person

Patents Grantslast 30 patents

Input/output device and a control system incorporating such a device

Sequence controller

Apparatus for insulating and preventing noise in the output of a se...

Programmable controller

Programmable sequence controller

Programmable sequence controller having indirect and direct input/o...

Sequence control apparatus

Sequence control apparatus