Patents by Inventor Yutaka Takahashi
Yutaka Takahashi 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: 6232587Abstract: A microwave heating apparatus includes a heating chamber 3 for accommodating an item 2 to be heated; a microwave generator 11 for radiating microwaves to the heating chamber 3, and a vapor generator 12 for supplying vapor to the heating chamber 3. The heating chamber 3 includes regenerating plates 28a and 28b for generating and regenerating heat when radiated by the microwaves from the microwave generator 11, thereby reducing dew condensation caused by the vapor in the heating chamber 3.Type: GrantFiled: March 2, 1999Date of Patent: May 15, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hitoshi Kurita, Yutaka Takahashi, Keijirou Kunimoto, Ikuhiro Inada, Satomi Uchiyama, Shigeki Ueda
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Patent number: 6110286Abstract: A vertical processing unit 10 for semiconductor wafers has; a cylindrical processing chamber 2 having an opening 18 in an inside of an annular bottom surface, and a disk-shaped cap 6 having an annular abutting-surface 32 abutting on the annular bottom surface of the chamber. A mounting-surface 6p formed on the inside of the annular abutting-surface 32. A wafer-boat 8 for holding a wafer W to be processed is mounted on the mounting-surface 6p of the cap 6. The abutting-surface 32 has an annular groove 34A formed therein. An inert gas supply passgeway 38 is provided in communication with the annular groove 34A for supplying an inert gas into the annular groove 34A through a header 16. An ejection opening 36 for ejecting an inert gas is provided on the inner side of the annular groove 34A for communicating the annular groove 34A and the interior of the processing chamber 2. Owing to the active leaking of the nitrogen (N.sub.Type: GrantFiled: October 20, 1998Date of Patent: August 29, 2000Assignee: Tokyo Electron LimitedInventors: Seungho Oh, Katsutoshi Ishii, Toshiharu Nishimura, Yutaka Takahashi
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Patent number: 6012604Abstract: An article dispensing device is incorporated into an automatic vending machine capable of storing articles having a cylindrical or substantially cylindrical shape resembling bottles or cans in stacks, and of dispensing the articles in response to a dispensation command. The article dispensing device has a fixed plate serving as a wall defining an article dispensing passage, and holding a dispensing mechanism for dispensing the articles one at a time, and a movable unit disposed opposite to the fixed plate. The movable unit has a frame attached to the body of the automatic vending machine, a shiftable plate supported on the side walls of the frame by pivot pins fitted in slots formed respectively in the side walls and provided with a positioning projection projecting from at least one end thereof so as to engage with steps of a stepped positioning edge formed in the side wall selectively according to the diameter of the article passing through the dispensing passage.Type: GrantFiled: April 21, 1998Date of Patent: January 11, 2000Assignee: F.I.C., Inc.Inventors: Yutaka Takahashi, Hisashi Funakoshi
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Patent number: 6008482Abstract: A steam generating apparatus includes a chamber defining structure for defining a heating chamber for heating a fluid medium such as liquid and/or air; an exciting coil mounted on the chamber defining structure so as to surround the heating chamber and operable, when electrically energized by application of an alternating current power thereto, to produce an alternating magnetic field; a porous heating element disposed within the heating chamber, said porous heating element having a high porosity and adapted to be heated by an induction current developed by the alternating magnetic field produced by the exciting coil; and a liquid supply system for supplying a liquid medium to the heating chamber to allow the liquid medium to be heated in contact with the porous heating element to thereby produce steam.Type: GrantFiled: May 28, 1997Date of Patent: December 28, 1999Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yutaka Takahashi, Keijirou Kunimoto, Daisuke Bessyo, Akio Tajima
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Patent number: 5965248Abstract: A magnetic recording medium having excellent electromagnetic characteristics in the medium and high frequency regions has a magnetic layer formed on a non-magnetic support or a non-magnetic under layer, said magnetic layer comprising a magnetic metal powder containing iron (Fe) as a main component, 18 to 40% by weight of Co based on iron, Al and Y or a rare earth element, and having a specific surface area (x) by the BET method not exceeding 60 m.sup.2 /g, in which said magnetic metal powder has a saturation magnetization (.sigma.s) (y) and a specific surface area (x) by the BET method within the range bounded by the following four equations:y=0.05x.sup.2 -6x+330 (1)y=0.05x.sup.Type: GrantFiled: December 23, 1997Date of Patent: October 12, 1999Assignee: TDK CorporationInventors: Akira Saitoh, Yutaka Takahashi, Satoru Tsuchida
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Patent number: 5842005Abstract: A microprocessor device (102) includes a central processing unit (702) having a clock input, a clock generator (OSC, PLL) of clock pulses, a logic circuit (708) having an output to supply a clock control signal (SUSP), and a clock gate (3610) fed by the clock pulses and having a clock gate output (CPU.sub.-- CLK) coupled to the clock input of the central processing unit. The clock gate (3610) responds to the clock control signal (SUSP) to prevent said clock pulses (CPU.sub.-- CLK) from reaching the central processing unit within one clock cycle of a change in said clock control signal. Other devices, systems and methods are also disclosed.Type: GrantFiled: May 8, 1997Date of Patent: November 24, 1998Assignee: Texas Instruments IncorporatedInventors: James J. Walsh, Joseph Joe, Ian Chen, Yutaka Takahashi
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Patent number: 5796490Abstract: There is provided a document reader system for reading images of a large number of document papers while continuously feeding the document papers from an auto-feeder to a scanner so that image data read by the scanner can be supplied to a computer, which can easily meet various requirements of different users, easily satisfy a user having only a scanner and planning to purchase a microfilm camera additionally, reduce space needed for installing the whole system without providing double auto-feeders and stackers for the scanner and the microfilm camera, and which allows makers to easily provide various types of systems to meet user's requirements. The system includes a turn unit removably attached to the scanner so that the document papers passing through and ejected from the scanner can be returned to a stacker provided in the scanner. Each device portion of the system is formed as a unit so that various types of document reader systems can be obtained by combining necessary units.Type: GrantFiled: July 10, 1996Date of Patent: August 18, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinichi Shidara, Yutaka Takahashi, Hajime Tachibana, Kiyoji Nakamura, Ushio Anayama, Noriyasu Ishiwata
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Patent number: 5754837Abstract: A microprocessor device (102) includes a central processing unit (702) having a clock input, a clock generator (OSC, PLL) of clock pulses, a logic circuit (708) having an output to supply a clock control signal (SUSP), and a clock gate (3610) fed by the clock pulses and having a clock gate output (CPU.sub.-- CLK) coupled to the clock input of the central processing unit. The clock gate (3610) responds to the clock control signal (SUSP) to prevent said clock pulses (CPU.sub.-- CLK) from reaching the central processing unit within one clock cycle of a change in said clock control signal. Other devices, systems and methods are also disclosed.Type: GrantFiled: December 22, 1994Date of Patent: May 19, 1998Assignee: Texas Instruments IncorporatedInventors: James J. Walsh, Joseph Joe, Ian Chen, Yutaka Takahashi
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Patent number: 5750216Abstract: A bag accommodated in an outer box of a bag-in-box is made of film-like material to be collapsible to push out the contents such as beverage syrups and liquid foods and comprises a bag body and a mouthpiece provided on the bag body for passing the contents therethrough. The bag body is made of polyester resin at a thickness of 20-150 .mu.m.Type: GrantFiled: October 2, 1995Date of Patent: May 12, 1998Assignees: Kirin Beer Kabushiki Kaisha, Kirin Beverage Corporation, Mitui Petrochemical Industries, Ltd.Inventors: Morikatsu Horino, Tsuyoshi Kage, Yutaka Takahashi, Akira Shimomi
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Patent number: 5748024Abstract: A level convertor is provided between circuits, which act with different power supply voltages, respectively, and converts a first voltage level of an output of a circuit to a second voltage level, which corresponds to an operational voltage level of another circuit. The level convertor comprises a level shift circuit, which receives the first voltage level and outputs an output of the second voltage level, and a buffer circuit, which receives the output of the second level and a control signal, and fixes the output of the second voltage level to a low logic level, when the control signal is a low logic level. The control signal may be used to set a timing for registering the data to a register, avoiding data in an instable state when power is supplied, from being registered to the register.Type: GrantFiled: September 19, 1995Date of Patent: May 5, 1998Assignee: Fujitsu LimitedInventors: Yutaka Takahashi, Manabu Niiyama, Yoshiki Goto
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Patent number: 5714973Abstract: A document display device for displaying document pages thereof is provided. One or more document pages are displayed on an oblong or rectangular display face of turnable display having an oblong or rectangular display face and to be set to either vertical or horizontal position. The device comprises a face position setter for inputting therethrough an instruction for selectively setting the position of the display, and an image allocater instructing the number of document pages to be displayed on the display face of the display and also instructing to select the orientation of each document page.Type: GrantFiled: November 21, 1996Date of Patent: February 3, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Yutaka Takahashi, Shinichi Shidara
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Patent number: 5713028Abstract: A UART (Universal Asynchronous Receiver/Transmitter) is used to interface serial data signals, and is provided to associate with a micro-processor in a micro-processor unit. The micro-processor unit is required to save consumption of power, if employed in such devices as a handy terminal device or the like. The micro-processor unit that can save consumption of power includes a microprocessor having a core section, which performs an arithmetic operation, and a universal asynchronous receiver/transmitter section operatively connected to the core section of the micro-processor. The universal asynchronous receiver/transmitter has a first circuit for receiving an asynchronous serial data signal, which is composed of a start bit, a stop bit and data bits provided between the start and stop bits. The first circuit also detects the start bit.Type: GrantFiled: September 6, 1995Date of Patent: January 27, 1998Assignee: Fujitsu LimitedInventors: Yutaka Takahashi, Toshihiro Ibuka
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Patent number: 5710911Abstract: A microprocessor device (102) includes a central processing unit (702) having a clock input, a clock generator (OSC, PLL) of clock pulses, a logic circuit (708) having an output to supply a clock control signal (SUSP), and a clock gate (3610) fed by the clock pulses and having a clock gate output (CPU.sub.-- CLK) coupled to the clock input of the central processing unit. The clock gate (3610) responds to the clock control signal (SUSP) to prevent said clock pulses (CPU.sub.-- CLK) from reaching the central processing unit within one clock cycle of a change in said clock control signal. Other devices, systems and methods are also disclosed.Type: GrantFiled: June 7, 1995Date of Patent: January 20, 1998Assignee: Texas Instruments IncorporatedInventors: James J. Walsh, Joseph Joe, Ian Chen, Yutaka Takahashi
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Patent number: 5649191Abstract: An information searching apparatus for managing and retrieving document data stored in a storage unit. The storage unit further comprises a managing information storage section for storing document managing information for managing the document data stored. The apparatus sets the document managing information in the managing information storage section in accordance with a type of data managing system and retrieves the stored document data on the basis of the document managing information set in the managing information storage section. Further, the apparatus has a function to change the type of data managing system to a different type of data managing system so that the document data stored are managed and retrieved in accordance with the data managing system changed. The apparatus can effectively manage data such that the document data is managed in accordance with a type of data managing system suitable for a kind of document and a work purpose.Type: GrantFiled: April 27, 1993Date of Patent: July 15, 1997Assignees: Matsushita Electric Industrial Co., Ltd., Fuji Photo Film Co., Ltd.Inventors: Toshinori Hirano, Nobuyuki Baba, Yutaka Takahashi, Isao Inagawa
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Patent number: 5635491Abstract: A lyophilized preparation which releases a fat emulsion, wherein the emulsion particle has a mean diameter of 10 to 100 nm, when redissolved prior to use. This preparation is produced by adding maltose in an arbitrary stage of the production of said emulsion prior to lyophilization.Type: GrantFiled: June 21, 1993Date of Patent: June 3, 1997Assignee: Nippon Shinyaku Co., Ltd.Inventors: Junzo Seki, Hirofumi Yamamoto, Shuji Yamane, Yutaka Takahashi, Kouichi Ushimaru
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Patent number: 5598545Abstract: Circuitry and method for performing a double instruction during a single clock cycle in a synchronous vector processor (SVP) device having a plurality of one-bit processor elements organized in a linear array. The circuitry includes four sense amps per processor element and one ALU to enable reading of four data bits per clock cycle. The method includes reading data from each register file in a processor element and writing the data in one of the register file memory banks; enabling a 2:1 reduction in the amount of required instructions and a substantial reduction in overall cycle time.Type: GrantFiled: March 25, 1993Date of Patent: January 28, 1997Assignee: Texas Instruments IncorporatedInventors: Jim Childers, Peter Reinecke, Yutaka Takahashi, Seiichi Yamamoto
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Patent number: 5579353Abstract: A dynamic clock mode switch (11) is provided for switching clock frequencies while allowing continuing operation of a depending system. The switch includes an enable circuit for transmitting an enable signal, a phase-locked loop circuit (PLL) (15) for locking onto an input clock frequency in response to said enable circuit, a PLL lock indicator for receiving a PLL lock signal (29) from said PLL, and a clock multiplexer with a multiplier for multiplying said input clock frequency by a predetermined factor in response to said enable circuit and PLL clock signals.Type: GrantFiled: July 26, 1995Date of Patent: November 26, 1996Assignee: Texas Instruments IncorporatedInventors: Kevin C. Parmenter, Yutaka Takahashi
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Patent number: 5572723Abstract: A dynamic clock indicator (11) is provided for indicating the operating mode of a dynamically clocked system. The clock indicator includes a status pin (13) and a status circuit (15) for indicating status of a variable CPU clock. The status circuit provides a status or mode signal to the status pin.Type: GrantFiled: December 14, 1995Date of Patent: November 5, 1996Assignee: Texas Instruments IncorporatedInventors: Kevin C. Parmenter, Yutaka Takahashi
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Patent number: 5547705Abstract: A nonlinear optical device comprising a substrate and a film structure coated on to the substrate. The film has, in a direction normal to the substrate, an intercalation structure including a semiconductor layer and an organic layer that lave different energy gaps. The intercalation structure includes a plurality of semiconductor layers and a plurality of organic layers which comprise a quantum well system. The film structure includes an assembly of microcrystals having domain size smaller than that of the wavelength of light with which the device operates. The microcrystals have an axis aligned in a direction normal to the substrate and have randomly oriented axes in a direction parallel to the substrate. A method for producing the device comprises providing a solution of an organic material in a solvent and placing a quantity of the solution on a substrate to form the organic material film structure thereon. The film is formed by spin coating of the solution on the substrate.Type: GrantFiled: September 4, 1992Date of Patent: August 20, 1996Assignee: International Business Machine CorporationInventors: Tadashi Fukuzawa, Satoru S. Kano, Kiyoshi Kumata, Victor Y. Lee, Franklin M. Schellenberg, Yutaka Takahashi
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Patent number: 5539891Abstract: A power drain and noise reduction control circuit and method for a synchronous vector processor (SVP) device having a plurality of one-bit processor elements organized in a linear array. This control circuit substantially reduces the power drain by only powering up the portion of the circuit being written. Also noise which would otherwise be present on the data lines is reduced.Type: GrantFiled: April 28, 1994Date of Patent: July 23, 1996Assignee: Texas Instruments IncorporatedInventors: Jim Childers, Yutaka Takahashi