1
Sadayasu Ueno: Life diagnosis apparatus for automotive battery. Hitachi, Antonelli Terry & Wands, December 19, 1989: US04888716 (156 worldwide citation)

A novel automotive battery life diagnosis apparatus is disclosed, in which the terminal voltage, charge-discharge current and the temperature of a battery are detected, output signals from the detectors are applied to and processed in a predetermined manner by a control unit, and a life alarm is dis ...


2
Shigeki Tsuchitani, Seiko Suzuki, Tomoyuki Tanaka, Masayuki Miki, Masahiro Matsumoto, Norio Ichikawa, Hiromichi Ebine, Yukiko Sugisawa, Kanemasa Sato, Sadayasu Ueno, Yasuhiro Asano, Masanori Kubota, Masayoshi Suzuki: Semiconductor acceleration sensor and vehicle control system using the same. Hitachi, Hitachi Automotive Engineering Co, Ladas & Parry, May 23, 1995: US05417312 (77 worldwide citation)

A semiconductor acceleration sensor is formed by a cantilever having a conductive movable electrode of predetermined mass at one end, at least one pair of fixed conductive electrodes which are stationary with respect to the movable electrode located on opposing sides of the movable electrode, and ga ...


3
Kanemasa Sato, Sadayasu Ueno, Kazuhiko Miya: Air flow rate measuring apparatus. Hitachi, Antonelli Terry & Wands, July 19, 1983: US04393697 (47 worldwide citation)

An air flow rate measuring apparatus having an air flow sensor and a temperature sensor which are disposed in a passage for intake air formed in the vicinity of a main air flow guide chamber in an internal combustion engine. The electric characteristics of the air flow sensor vary with the flow rate ...


4
Masanori Kubota, Sadayasu Ueno, Kanemasa Sato, Kiyoshi Miura: Angle sensor for throttle valve of internal combustion engine. Hitachi, Hitachi Automotive Engineering, Antonelli Terry & Wands, January 16, 1990: US04893502 (35 worldwide citation)

Disclosed is a non-contact type throttle angle sensor sensing and converting angular rotation of a throttle valve of an internal combustion engine into an electrical signal. The sensor comprises a magnetic field generating element disposed on one end of a rotatable throttle shaft, a magneto-sensitiv ...


5
Toru Takahasi, Sadayasu Ueno: Oxygen sensor. Hitachi, Antonelli Terry & Wands, July 1, 1986: US04597850 (30 worldwide citation)

An oxygen sensor for monitoring the oxygen concentration in exhaust gases of an engine of a motor vehicle including a sensor element supported by a base in a position remote from the flow of exhaust gases to be tested whereby solid particles in the exhaust gases are prevented from being deposited on ...


6
Kanemasa Sato, Sadayasu Ueno, Kazuhiko Miya, Yoshishige Oyama, Yutaka Nishimura: Gas flow measuring apparatus. Hitachi, Antonelli Terry & Wands, May 3, 1983: US04381668 (24 worldwide citation)

An intake barrel connected to an intake pipe of an internal combustion engine is provided therein with a venturi member. Openings are formed in the wall of the intake barrel at the upstream and downstream sides of the venturi member. A bypass passage forming member provided with a groove of a length ...


7
Hitoshi Minorikawa, Yukio Hohsho, Sadayasu Ueno: Liquid level detecting apparatus. Hitachi, Craig & Antonelli, January 16, 1979: US04135186 (24 worldwide citation)

A liquid level detecting apparatus comprises a thermistor adapted to generate heat by current flowing therethrough, wherein the liquid level is sensed by detecting a current value at the thermistor which varies in dependence on a variation in temperature of the thermistor, which temperature in turn ...


8
Kanemasa Sato, Sadayasu Ueno: Thermal air flow meter. Hitachi, Antonelli Terry & Wands, April 30, 1985: US04513615 (24 worldwide citation)

A thermal air flow meter consists essentially of a hollow cylindrical support made of an insulating material, a heat-sensitive resistor formed on top of the support, and lead wires inserted into the hollow part of the support from either end and bonded thereto by glass. This flow meter measures the ...


9
Seiko Suzuki, Masayuki Miki, Takao Sasayama, Toshitaka Suzuki, Nobuo Sato, Sadayasu Ueno, Akira Ikegami: Air-fuel ratio detector. Hitachi, Antonelli Terry & Wands, January 12, 1988: US04718999 (23 worldwide citation)

An air-fuel ratio in the lean range is detected by measuring a limiting current when oxygen diffused to a first electrode is pumped to a second electrode via a solid electrolyte. A stoichiometric air-fuel ratio is detected from electromotive force between first and third electrodes when oxygen is pu ...


10
Yoshishige Oyama, Teruo Yamauchi, Mamoru Fujieda, Yutaka Nishimura, Takao Sasayama, Shinichi Sakamoto, Hisanori Moriya, Takeshi Atago, Kanemasa Sato, Yoshikazu Hoshi, Sadayasu Ueno, Tadahiko Otani, Mineo Kashiwaya: Air flow rate measuring apparatus. Hitachi, Antonelli Terry & Wands, May 21, 1985: US04517837 (22 worldwide citation)

An air flow rate measuring apparatus in which an air flow sensor whose electric characteristic varies with the rate of air flowing by the sensor is supported on a heat-insulating support member and located in a bypass tube provided in the vicinity of the main venturi of an internal combustion engine ...