Patents by Inventor Yasuhiko Inagaki
Yasuhiko Inagaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7847480Abstract: A light emitting diode unit comprises a light emitting element D1, a base 1 having a heat dissipating member 12 that dissipates heat generated by the light emitting element D1, and a first lens 2 comprising a reflecting element 214 that reflects light R2 traveling outside of a predetermined angle among the emitted light R emitted by the light emitting element D1 and a refracting element F that refracts light R1 traveling inside of the predetermined angle among the emitted light R each of which is formed integrally, with the first lens 2 mounted integrally on the base 1, and the emitted light R emitted from the light emitting element D1 is made to travel generally toward the same direction by the reflecting element 214 and the refracting element F.Type: GrantFiled: February 9, 2007Date of Patent: December 7, 2010Assignee: CCS, Inc.Inventors: Kenji Yoneda, Takahiro Amano, Yasuhiko Inagaki
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Patent number: 7463742Abstract: A signal output circuit for controlling output of an input signal is disclosed. The signal output circuit includes an internal circuit, a digital delay circuit delaying by digital processing a control signal for controlling the operation of the internal circuit, and a switch muting the input signal in accordance with the output of the digital delay circuit.Type: GrantFiled: February 24, 2004Date of Patent: December 9, 2008Assignee: Mitsumi Electric Co., Ltd.Inventor: Yasuhiko Inagaki
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Patent number: 7304465Abstract: A power supply circuit generates a supply voltage based on an input constant voltage and supplies the supply voltage to a load. A delay circuit delays the input constant voltage. An output circuit generates the supply voltage from the input constant voltage delayed by the delay circuit and supplies the supply voltage to the load. A current generation circuit generates a current based on the supply voltage that is generated by the output circuit and supplies the generated current to the output circuit as a drive current.Type: GrantFiled: July 8, 2003Date of Patent: December 4, 2007Assignee: Mitsumi Electric Co., Ltd.Inventors: Yasuhiko Inagaki, Takayuki Masaki
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Publication number: 20070133211Abstract: A light emitting diode unit comprises a light emitting element D1, a base 1 having a heat dissipating member 12 that dissipates heat generated by the light emitting element D1, and a first lens 2 comprising a reflecting element 214 that reflects light R2 traveling outside of a predetermined angle among the emitted light R emitted by the light emitting element D1 and a refracting element F that refracts light R1 traveling inside of the predetermined angle among the emitted light R each of which is formed integrally, with the first lens 2 mounted integrally on the base 1, and the emitted light R emitted from the light emitting element D1 is made to travel generally toward the same direction by the reflecting element 214 and the refracting element F.Type: ApplicationFiled: February 9, 2007Publication date: June 14, 2007Inventors: Kenji Yoneda, Takahiro Amano, Yasuhiko Inagaki
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Patent number: 7213945Abstract: A light emitting diode unit comprises a light emitting element D1, a base 1 having a heat dissipating member 12 that dissipates heat generated by the light emitting element D1, and a first lens 2 comprising a reflecting element 214 that reflects light R2 traveling outside of a predetermined angle among the emitted light R emitted by the light emitting element D1 and a refracting element F that refracts light R1 traveling inside of the predetermined angle among the emitted light R, each of which is formed integrally, with the first lens 2 mounted integrally on the base 1, and the emitted light R emitted from the light emitting element D1 is made to travel generally toward the same direction by the reflecting element 214 and the refracting element F.Type: GrantFiled: May 16, 2003Date of Patent: May 8, 2007Assignee: CCS, Inc.Inventors: Kenji Yoneda, Takahiro Amano, Yasuhiko Inagaki
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Patent number: 7161424Abstract: A signal output circuit for switching an output operation of an input signal is disclosed. The signal output circuit includes a delaying circuit for delaying a control pulse transmitted from outside, an integrating circuit for generating an integrated waveform of the control pulse of the delaying circuit, and an output operation switching circuit for switching an output operation of the input signal in accordance with the waveform output from the integrating circuit.Type: GrantFiled: November 30, 2004Date of Patent: January 9, 2007Assignee: Mitsumi Electric Co., Ltd.Inventor: Yasuhiko Inagaki
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Patent number: 7049770Abstract: A current control circuit includes a control current generation circuit that generates a control current in accordance with an external current control signal. A plurality of drive current generation circuits generate drive currents in accordance with the control current that is generated by and supplied from the control current generation circuit.Type: GrantFiled: January 14, 2004Date of Patent: May 23, 2006Assignee: Mitsumi Electric Co., Ltd.Inventors: Yasuhiko Inagaki, Tomomitsu Oohara
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Publication number: 20060055462Abstract: An amplifier circuit for controlling an output signal is disclosed. The amplifier circuit includes a comparison part for comparing the output signal with a reference voltage and outputting a result of the comparison, and an amplification part for amplifying an input signal with a gain corresponding to the result output from the comparison part.Type: ApplicationFiled: February 25, 2005Publication date: March 16, 2006Inventor: Yasuhiko Inagaki
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Patent number: 6937103Abstract: A voltage generating circuit for generating an output voltage according to an input voltage is arranged to be able to generate the output voltage with desired rise characteristics. The voltage generating circuit includes a resistor circuit that is serially implemented with respect to the input voltage, a condenser unit that cooperates with the resistor circuit to generate the output voltage, a digital delay circuit that delays at least one of a rise and a fall of the input voltage and generates a delay output based thereon, and a bypass circuit that controls bypassing of a predetermined resistor included in the resistor circuit according to the delay output from the digital delay circuit.Type: GrantFiled: February 27, 2004Date of Patent: August 30, 2005Assignee: Mitsumi Electric Co., Ltd.Inventor: Yasuhiko Inagaki
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Publication number: 20050174779Abstract: Alight emitting diode unit comprises a light emitting element D1, a base 1 having a heat dissipating member 12 that dissipates heat generated by the light emitting element D1, and a first lens 2 comprising a reflecting element 214 that reflects light R2 traveling outside of a predetermined angle among the emitted light R emitted by the light emitting element D1 and a refracting element F that refracts light R1 traveling inside of the predetermined angle among the emitted light R, each of which is formed integrally, with the first lens 2 mounted integrally on the base 1, and the emitted light R emitted from the light emitting element D1 is made to travel generally toward the same direction by the reflecting element 214 and the refracting element F.Type: ApplicationFiled: May 16, 2003Publication date: August 11, 2005Inventors: Kenji Yoneda, Takahiro Amano, Yasuhiko Inagaki
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Publication number: 20050162231Abstract: A signal output circuit for switching an output operation of an input signal is disclosed. The signal output circuit includes a delaying circuit for delaying a control pulse transmitted from outside, an integrating circuit for generating an integrated waveform of the control pulse of the delaying circuit, and an output operation switching circuit for switching an output operation of the input signal in accordance with the waveform output from the integrating circuit.Type: ApplicationFiled: November 30, 2004Publication date: July 28, 2005Inventor: Yasuhiko Inagaki
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Publication number: 20050024031Abstract: A voltage generating circuit for generating an output voltage according to an input voltage is arranged to be able to generate the output voltage with desired rise characteristics. The voltage generating circuit includes a resistor circuit that is serially implemented with respect to the input voltage, a condenser unit that cooperates with the resistor circuit to generate the output voltage, a digital delay circuit that delays at least one of a rise and a fall of the input voltage and generates a delay output based thereon, and a bypass circuit that controls bypassing of a predetermined resistor included in the resistor circuit according to the delay output from the digital delay circuit.Type: ApplicationFiled: February 27, 2004Publication date: February 3, 2005Inventor: Yasuhiko Inagaki
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Publication number: 20050024141Abstract: A signal output circuit for controlling output of an input signal is disclosed. The signal output circuit includes an internal circuit, a digital delay circuit delaying by digital processing a control signal for controlling the operation of the internal circuit, and a switch muting the input signal in accordance with the output of the digital delay circuit.Type: ApplicationFiled: February 24, 2004Publication date: February 3, 2005Inventor: Yasuhiko Inagaki
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Publication number: 20040145325Abstract: A current control circuit includes a control current generation circuit that generates a control current in accordance with an external current control signal. A plurality of drive current generation circuits generate drive currents in accordance with the control current that is generated by and supplied from the control current generation circuit.Type: ApplicationFiled: January 14, 2004Publication date: July 29, 2004Inventors: Yasuhiko Inagaki, Tomomitsu Oohara
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Publication number: 20040056645Abstract: A power supply circuit generates a supply voltage based on an input constant voltage and supplies the supply voltage to a load. A delay circuit delays the input constant voltage. An output circuit generates the supply voltage from the input constant voltage delayed by the delay circuit and supplies the supply voltage to the load. A current generation circuit generates a current based on the supply voltage that is generated by the output circuit and supplies the generated current to the output circuit as a drive current.Type: ApplicationFiled: July 8, 2003Publication date: March 25, 2004Applicant: MITSUMI ELECTRIC CO., LTD.Inventors: Yasuhiko Inagaki, Takayuki Masaki
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Publication number: 20030005061Abstract: The E-mail distribution system which will be distributed to each addressee in a mail server after adding a transmitting person's job administrator to an addressee automatically if an E-mail is sent from the terminal of a computer network system built in the organization. This E-mail distribution system possesses the automatic reading means which comes to have an individual data control area, an organization data control area, and an addressee addition program in the mail server. In this individual data control area, personal information, such as its affiliation post, job class, and an e-mail address, is memorized. In this organization data control area, organization information, such as its post and job class, is memorized based on this personal information. If an E-mail is sent, this addressee addition program will specify a transmitting person's job administrator from an individual data control area and an organization data control area, and will appoint him to be a new addressee.Type: ApplicationFiled: November 1, 2001Publication date: January 2, 2003Applicant: FREAD CO., LTD.Inventors: Yasuhiko Inagaki, Kenji Murakami
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Patent number: 6369654Abstract: A semiconductor device includes a plurality of resistors each of which has a resistance that varies depending on voltage applied between contacts of the resistor. The semiconductor device includes a first resistor including a first resistive layer connected at a first contact to a first input wire and connected at a second contact to a first output wire, the first output wire having a first shielding portion which is connected to the second contact and shields the first resistive layer. A second resistor includes a second resistive layer connected at a third contact to a second input wire and connected at a fourth contact to a second output wire, the second output wire having a second shielding portion which is connected to the fourth contact and shields the second resistive layer.Type: GrantFiled: November 21, 2000Date of Patent: April 9, 2002Assignee: Mitsumi Electric Co., Ltd.Inventors: Yasuhiko Inagaki, Kyozo Makime