1
Kazuhiro Hozumi, Masaru Arai, Yoshitane Saito: Solenoid controlled valve. Kuroda Seiko Company, Nakamura Kiki Engineering Company, Peter J Georges, December 26, 1989: US04889164 (28 worldwide citation)

A solenoid controlled valve of the double pilot type includes a valve main body having a valve mechanism, a pair of pilot valve units each being secured to respective sides of the valve main body and having solenoids for driving the valve mechanism of the valve main body, to first and second sets of ...


2
Teruhiko Amou, Yoshitane Saito: Control/supervisory signal transmission system. Nakamura Kiki Engineering, McGlew and Tuttle, June 29, 1993: US05223826 (25 worldwide citation)

A bidirectional control/supervisory system for transmitting control signals from a controller to devices and transmitting supervisory signals from sensors monitoring the devices to the controller through a common transmission line. A transmission/reception control circuit generates a timing signal a ...


3
Yoshitane Saito, Akihiro Yamada, Satoshi Yano: Input interface unit for programmable logic controller. Omron Tateisi Electronics Co, Cushman Darby & Cushman, April 26, 1983: US04381456 (21 worldwide citation)

The input interface unit of the present invention is equipped with plural input terminals to be connected to external switches respectively, plural output terminals to be connected to input bus lines running to a central control unit (CPU), and plural current-controlling input terminals. These input ...


4
Yoshitane Saito, Akihiro Yamada, Satoshi Yano: Programmable logic controller. Omron Tateisi Electronics Co, Cushman Darby & Cushman, September 13, 1983: US04404625 (18 worldwide citation)

A programmable controller connected for receiving the external numerical data from a date setter to the central control unit. Data sets in a numerical data setter can be used as the time data in a timer instruction and count data in a counter instruction when the prescribed code is used and the user ...


5
Kouji Nakanishi, Yoshitane Saito: Sensor signal transmission system. Nakamura Kiki Engineering, Precision Industries Kuroda, McGlew and Tuttle, September 21, 1993: US05247292 (9 worldwide citation)

A sensor signal transmission system for transmitting serially sensor signals produced in parallel by a plurality of sensors installed at a remote station to a central control station. The central control station includes a clock generating circuit, a signal conversion circuit for converting a voltag ...


6
Keisuke Kawashima, Yoshitane Saito, Akihiro Yamada, Satoshi Yano: Sequence controller. Omron Tateisi Electronics Co, Wegner & Bretschneider, June 28, 1983: US04390966 (9 worldwide citation)

A sequence controller for parallel and other operations by way of mutual interlocking with other controllers is disclosed having flags which may be set and reset not only by predetermined user instructions therein but also by user instructions in another equivalent controller connected thereto by a ...


7
Koji Nakanishi, Yoshitane Saito: Signal serial/parallel conversion system. Kuroda Precision, Nakamura Engineering, McGlew & Tuttle, June 26, 1990: US04937568 (8 worldwide citation)

A remote control system comprises a central control station and at least one local station installed remotely from the central control station and connected thereto through a power transmission line. The local station has a plurality to devices connected in parallel to one another at the output. The ...


8
Yoshitane Saito, Kazuo Itani, Yuji Watanabe, Takeharu Katsuno: Control/supervisory signal transmission/reception system. NKE, Kuroda Precision, McGlew and Tuttle, November 17, 1998: US05838249 (7 worldwide citation)

A control/supervisory signal transmission/reception system includes a central station and a number of local stations which are interconnected by a common data line carrying a three-level voltage signal so as to transfer data signals between the central and local stations. Information concerning stru ...


9
Koji Nakanishi, Mituo Yoshino, Yoshitane Saito: Control apparatus for manifold type electromagnetic valve device. Kuroda Seiko, Nakamura Kiki Engineering Co, Peter J Georges, August 8, 1989: US04854346 (7 worldwide citation)

An apparatus for controlling a plurality of electromagnetic valves of manifold type including a parallel-in/serial-out unit for convert parallel control signals for a plurality of electromagnetic valves into a serial control signal and generating a composite control signal including the serial data ...