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Masaki Hirota Patents
Inventor:
Hirota; Masaki
Address:
Kawasaki, JP
No. of patents:
25
Patents:




Patent Number Title Of Patent Date Issued
7394831 Method for time-division multiplexing July 1, 2008
A method for time-division multiplexing including steps of generating a plurality of first signals and a plurality of second signals to which specific pulse trains for frame synchronization are allocated respectively; generating low speed signals of plural channels including the firs
7193212 Infrared radiation detecting device March 20, 2007
An infrared radiation detecting device is provided that comprises a substrate, an infrared radiation absorbing unit, at least one support beam and a thermopile. The at least one support beam has a first end portion coupled to the substrate and a second end portion coupled to the infr
7098812 Operator identifying device August 29, 2006
An operator identifying device for a vehicle with an operating section located between driver's and non-driver's seats includes a photographing section and an image processing section. The photographing section is configured to obtain image data of a prescribed region encompassing the
6949286 Radiation-absorbing layers for thermopile radiation detectors September 27, 2005
A radiation-absorbing layer for a thermopile radiation detector highly absorbs incident radiation within a predetermined band of wavelengths. The layer comprises a solid construction of a mixture of an oxide of silicon and separate and/or linked particles of at least one material selecte
6781128 Infrared radiation detecting device August 24, 2004
An infrared radiation detecting device is constructed using a manufacturing method to increase the infrared radiation absorptance of the infrared radiation absorbing film. The infrared radiation detecting device has an infrared radiation absorbing film. In one embodiment, the infrared
6634812 Optical bus system and signal processor October 21, 2003
An optical bus system comprising an optical bus is furnished, along two opposed edges, with a plurality of signal light input/output portions for inputting and outputting signal light to and from the bus. Any one of the signal light input/output portions on one edge of the bus inputs sig
6590280 Disk-like gettering unit, integrated circuit, encapsulated semiconductor device, and method for July 8, 2003
A gettering unit encompasses a silicon substrate, a thin film heater disposed on the silicon substrate, and a gettering layer disposed selectively on the thin film heater. Here, the thin film heater is made of metallic film such as platinum (Pt) or chromium (Cr) film. The area of the
6570380 Non-linear hall IC May 27, 2003
A non-linear Hall IC that stores conversion information for converting Hall voltage output from a Hall element, and converts the Hall voltage into an output voltage based on the conversion information stored. The Hall voltage is converted into the output voltage such that a relation betw
6567484 Burst synchronizing circuit May 20, 2003
A burst synchronizing circuit synchronizes a received data signal in a burst fashion and sampling phases with which the received data signal is sampled. A first part samples a data pattern with different sampling phases. A second part selects the received data signal sampled with an
6366375 Optical-signal transmission apparatus and method, and signal processing apparatus April 2, 2002
An optical-signal transmission apparatus and method for optical-signal transmission, or a signal processing apparatus for signal processing including optical-signal transmission. A number of terminals (circuit boards and the like) are connected, and communication can be freely perfor
6317242 Optical bus system and signal processor November 13, 2001
An optical bus system comprising an optical bus is furnished, along two opposed edges, with a plurality of signal light input/output portions for inputting and outputting signal light to and from the bus. Any one of the signal light input/output portions on one edge of the bus inputs sig
6233339 Physical property based cryptographics May 15, 2001
According to the present invention, piracy of secret data is prevented without an attack detecting circuit or data deleting circuit. In a secret data processing unit, a cell contains fluid in a sealed space. Code generators arranged in the sealed space receive a code generation request
6172783 Optical bus and signal processor January 9, 2001
An optical bus for propagating signal light comprises a beam dividing portion consisting of a plurality of diffraction surfaces for diffracting signal light input from a signal light input portion and directing it toward a plurality of signal light output portions, which are arranged in
6126432 Optical transmission line forming apparatus October 3, 2000
An optical transmission line is formed and thereafter solidified using an optical transmission line forming material in the fluid condition. The optical transmission line formed between optical transmission terminals assures higher reliability and never generates disconnection or interna
6065881 Optical transmission line forming method and apparatus, and optical circuit May 23, 2000
An optical transmission line is formed and thereafter solidified using an optical transmission line forming material in the fluid condition. The optical transmission line formed between optical transmission terminals assures higher reliability and never generates disconnection or interna
5995262 Signal transmission bus and signal processing apparatus November 30, 1999
A signal transmission bus comprising a plurality of optical transmission layers and optical isolation layers stacked alternately. Each of the optical transmission layers has signal light input thereinto and propagating the input signal light diffusedly. Each of the optical isolation
5987198 Optical bus and optical bus production method including a plurality of light transmission paths November 16, 1999
An optical bus production method for producing an optical bus having an improved transmission efficiency while preventing a data transmission failure. More specifically, the optical bus is produced by preparing first sheets that serve as a light transmission layer, a clad layer is formed
5955010 Optical transmission line forming method September 21, 1999
An optical transmission line is formed and thereafter solidified using an optical transmission line forming material in the fluid condition. The optical transmission line formed between optical transmission terminals assures higher reliability and never generates disconnection or interna
5822475 Optical bus and signal processor October 13, 1998
To improve resistance to environmental changes and enhance system extensibility, the present invention provides an optical bus for transmitting an optical signal, which has diffusers distributed in a optical transmission layer to diffuse an input signal beam and propagate the diffuse
5543672 Rotation detecting device with magnet brake August 6, 1996
A rotation detecting device for vehicle speedometers includes a housing, a magnetic induction device, and a magnetized rotor near the magnetic induction device. The rotor is connected through a coupling to a rotation source. A braking device forms a magnetic circuit between one end surfa
5406104 MOSFET circuit with separate and common electrodes April 11, 1995
A transistor circuit such as an integrated circuit contains at least first and second MOS transistors having drain electrode pair and source electrode pair, one of which is a pair of electrodes connected together and integrated into a common drain or source electrode, and the other of
5168463 Shift register apparatus for storing data therein December 1, 1992
An apparatus for storing digital data includes a clock pulse source and plural serial shift register stages storing data bits. Digital data signals, each having plural databits, are coupled to and shifted in the stages in synchronization with the clock pulses. Data stored in the memory
5027251 MOSFET including current mirror FET therein June 25, 1991
A MOSFET device including a power MOSFET and a current mirror MOSFET, in which the drains of the two MOSFETs are coupled in common to each other, and the gate electrodes of the two MOSFETs are linked in common to each other, and in which a diode device for protecting a gate oxide film fo
4820978 Magnetic rotation sensor wherein a magnetic member is attached to a rotation shaft by a heat res April 11, 1989
A rotation sensor for vehicle includes a drive shaft connected to a rotation shaft of a vehicle by a transmission member, a ring-shaped magnet member provided onto the drive shaft and a detector for detecting change of magnetic flux caused by rotations of the magnetic member, wherein
4752569 Sialylated Lewis.sup.x epitope, antibodies and diagnosis June 21, 1988
Detection of sialylated Lewis.sup.x antigen in sera is employed as diagnostic of the presence of cancer. Conveniently, monoclonal antibodies are provided which are shown to be useful in the diagnosis of a neoplastic condition, with a wide variety of different tumors.The hybridoma CSLEX1


 
 
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