Patents by Inventor Kenji Arai
Kenji Arai 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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Publication number: 20140361372Abstract: An input signal having a high level or a low level is input to a pad. A first protection element includes a first transistor configured as an N-channel MOSFET designed so as to withstand ESD. A second protection element includes a second transistor configured as a P-channel MOSFET designed so as to withstand ESD. A capacitance element is connected to a second line, and forms an RC filter together with a filter resistor. The capacitance element includes at least one from among a third transistor having the same device structure as that of the first transistor and a fourth transistor having the same device structure as that of the second transistor.Type: ApplicationFiled: June 2, 2014Publication date: December 11, 2014Applicant: ROHM CO., LTD.Inventor: Kenji ARAI
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Publication number: 20140312863Abstract: A switching transistor is configured such that its on resistance RON is switchable between at least two values RON1 and RON2. When the switching transistor is switched from off to on, a control circuit sets the on resistance of the switching transistor to the first value RON1 for a first period immediately after the switching of the switching transistor. Subsequently, for a second period until the switching transistor is turned off, the control circuit sets the on resistance of the switching transistor to the second value RON2 that is smaller than the first value RON1.Type: ApplicationFiled: March 31, 2014Publication date: October 23, 2014Applicant: ROHM CO., LTD.Inventors: Kenji ARAI, Noriaki HIRAGA
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Patent number: 8860014Abstract: An organic electroluminescent member comprising: a positive electrode and a negative electrode on a substrate: multiple organic layers which include at least a positive hole transport layer, a light-emitting layer and an electron transport layer, and which are arranged between the positive electrode and the negative electrode; and an electron injection layer arranged between the electron transport layer and the negative electrode. The electron injection layer is formed from at least one selected from the group consisting of alkali metals and compounds containing alkali metals having a melting point of less than 90° C., and at least one selected from the group consisting of alkali metals, alkaline earth metals, compounds containing alkali metals, and compounds containing.Type: GrantFiled: January 31, 2011Date of Patent: October 14, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Kenji Arai, Toshihiko Iwasaki
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Publication number: 20140142812Abstract: An airbag ECU includes a voltage detection section that detects a voltage in a power supply supplied to other control units (for example, front passenger seat occupancy sensing ECU). In addition, the airbag ECU includes a timer that measures an elapsed time after the voltage detected by the voltage detection section falls in a preset voltage range and a recording section that records the elapsed time measured by the timer on a memory when a failure of the other control units is detected.Type: ApplicationFiled: November 20, 2013Publication date: May 22, 2014Applicant: Bosch CorporationInventor: Kenji Arai
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Patent number: 8711320Abstract: A mounting structure includes a first member that includes a first electrode, a second member that includes a second electrode facing the first electrode, and an anisotropic conductive material that includes conductive particles electrically connecting the first electrode and the second electrode by being deformed between the first electrode and the second electrode. The first electrode is positioned in a bottom portion of an opening portion of an insulating layer that is formed in the first member. At least a part of the periphery of the opening portion of the insulating layer overlaps with the second electrode in a plan view. Also, a particle diameter of the conductive particles is equal to or more than twice a depth value of the opening portion.Type: GrantFiled: September 28, 2010Date of Patent: April 29, 2014Assignee: Japan Display West Inc.Inventor: Kenji Arai
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Patent number: 8706675Abstract: A video hosting service comprising video classifiers that identify content sources of content included in videos uploaded to the video hosting service. Identifying the content source allows a content owner of the content source to claim ownership of videos that include content based on the content source. Usage policies associated with the content owners are applied to the uploaded videos that describe how the video hosting service is to treat the videos.Type: GrantFiled: August 29, 2011Date of Patent: April 22, 2014Assignee: Google Inc.Inventors: Clifford Samaniego, David G. King, David A. Ross, Alexander Joshua Frank, Omid Madani, Kenji Arai, Ruei-Sung Lin
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Publication number: 20140062030Abstract: A combined oil ring that reduces deposits between side rails and a spacer expander there between. The spacer expander includes: upper pieces and lower pieces that are alternately arranged in a circumferential direction to be spaced apart in an axial direction and the circumferential direction; coupling pieces that respectively couple the adjacent upper and lower pieces; and ear parts that erect in an inner circumferential end portion of the upper and lower pieces and push the side rails. At least one of an upper surface of each upper piece and a lower surface of each lower piece has a groove formed thereon. Ear parts have a through-hole with which the groove is communicated and a distance along the axial direction between an upper or lower surface of each ear part at a top thereof and a deepest portion of the groove is at least 0.22 mm.Type: ApplicationFiled: August 28, 2013Publication date: March 6, 2014Applicant: NIPPON PISTON RING CO., LTDInventors: Hideshi HITOSUGI, Kenji ARAI, Kazutomo TAKAHASHI
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Publication number: 20140043073Abstract: A clock synchronization circuit is configured to capture an input data bit according to an input clock signal, and to synchronize and output the input data bit. The clock synchronization circuit includes a clock buffer for generating an internal clock signal according to the input clock signal and transmitting the internal clock signal to a clock line. The clock synchronization circuit further includes a D flip-flop for capturing and outputting the input data bit at an edge timing of the internal clock signal. The clock buffer includes an inverter core portion and an electric current suppressing portion. The inverter core portion is configured to generate the internal clock signal through alternately supplying an electric current to the clock line and drawing the electric current from the clock line according to the input clock signal. The electric current suppressing portion is configured to suppress an amount of the electric current.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Applicant: LAPIS SEMICONDUCTOR CO., LTD.Inventor: Kenji ARAI
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Publication number: 20140004418Abstract: To provide a slurry composition for a negative electrode of a lithium ion secondary cell, whereby a secondary cell having excellent cycle characteristics and output characteristics can be obtained, and whereby an electrode having excellent adhesion can be obtained. [Solution] This slurry composition for a negative electrode of a lithium ion secondary cell comprises a negative electrode active material, an aqueous dispersion binder, and water, and is characterized in that the specific surface area of the negative electrode active material is 3.0-20.0 m2/g, the aqueous dispersion binder is a polymer that contains dicarboxylic acid-containing monomer units and sulfonic acid-containing monomer units, the content ratio of dicarboxylic acid-containing monomer units in the polymer is 2-10% by mass, the content ratio of sulfonic acid-containing monomer units is 0.1-1.5% by mass, and the potassium ion content in the slurry composition is no more than 1000 ppm with respect to 100% by mass of the slurry composition.Type: ApplicationFiled: March 15, 2012Publication date: January 2, 2014Applicant: ZEON CORPORATIONInventors: Kei Kobayashi, Kenji Arai
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Publication number: 20130157160Abstract: A polymer electrolyte fuel cell comprises a plurality of stacked cells each having an ionic conductive electrolyte membrane, an anode placed on one side of the electrolyte membrane, a cathode placed on the other side of the electrolyte membrane, and a conductive separator on which a first refrigerant channel for flow of a refrigerant is formed in center part thereof. The separator comprises a penetration holes constituting a manifold which extend in a direction of stacking of the plurality of cells and through which the refrigerant flows, a second refrigerant channels for communication between the penetration holes and the first refrigerant channel, and a plurality of protrusions that protrude into the penetration holes from parts of wall surfaces of the penetration holes that located peripherally in connection parts between the penetration holes and the second refrigerant channels.Type: ApplicationFiled: February 10, 2012Publication date: June 20, 2013Applicant: Panasonic CorporationInventors: Mitsuo Yoshimura, Hirokazu Honkawa, Kenji Arai
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Patent number: 8423705Abstract: A semiconductor device includes a first nonvolatile storage area including a plurality of sectors, a second nonvolatile storage area, a third nonvolatile storage area located in the first nonvolatile storage area, a fourth nonvolatile storage area located in the second nonvolatile storage area, and a control portion selecting one of a first mode and a second mode. In first mode, sectors where the third nonvolatile storage area is not located in the first nonvolatile storage area are used as a main storage area, and the second nonvolatile storage area is used to store a program or data that is read before the first nonvolatile storage area is accessed, the third nonvolatile storage area being used to store control information that controls writing, reading, and erasing of data involved in the first nonvolatile storage area or the second nonvolatile storage area.Type: GrantFiled: June 13, 2008Date of Patent: April 16, 2013Assignee: Spansion LLCInventors: Hirokazu Nagashima, Kazuki Yamauchi, Junya Kawamata, Tsutomu Nakai, Kenji Arai, Kenichi Takehana
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Publication number: 20130069461Abstract: A motor power distribution apparatus includes first insulating holders and second insulating holders. The first insulating holders are disposed to retain every other one of a plurality of stacked power distribution members that are unified by insert molding. The second insulating holders are disposed to retain power distribution members other than the power distribution members retained by the first insulating holders.Type: ApplicationFiled: May 25, 2011Publication date: March 21, 2013Applicant: NISSAN MOTOR CO., LTD.Inventor: Kenji Arai
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Publication number: 20120319139Abstract: Provided is an organic electroluminescent member comprising: a positive electrode and a negative electrode on a substrate; multiple organic layers which include at least a positive hole transport layer, a light-emitting layer and an electron transport layer, and which are arranged between the positive electrode and the negative electrode; and an electron injection layer arranged between the electron transport layer and the negative electrode. The electron injection layer is formed from at least one selected from the group consisting of alkali metals and compounds containing alkali metals having melting point of less than 90° C.Type: ApplicationFiled: January 31, 2011Publication date: December 20, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Kenji Arai, Toshihiko Iwasaki
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Publication number: 20120300751Abstract: A base station includes a transmission timing adjustment determination unit determining whether it to adjust a transmission timing of an uplink signal for each of user terminals; a radio resource allocation unit allocating a radio resource for instruction information to be transmitted to first one of the user terminals for which it has been determined, by the transmission timing adjustment determination unit, that he transmission timing of the uplink signal is not to be adjusted, the instruction information indicating that the transmission timing is not to be adjusted; and an instruction information transmission unit transmitting the instruction information to the first one of the user terminals using the radio resource allocated by the radio resource allocation unit. Further, the radio resource allocation unit is configured to allocate the instruction information to a radio resource to be shared and used by the first one of the user terminals.Type: ApplicationFiled: March 29, 2012Publication date: November 29, 2012Applicant: FUJITSU LIMITEDInventors: Kenji ARAI, Takashi FUJITA
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Patent number: 8294527Abstract: There is provided an oscillator circuit including: a current source; a resonant unit; an oscillation amplification unit connected to the current source while being connected in parallel to the resonant unit; a feedback resistor connected in parallel to the oscillation amplification unit; a bypass resistor having a resistance lower than a resistance of the feedback resistor; a switch unit connected between the feedback resistor and the bypass resistor, and configured to switch to the feedback resistor or the bypass resistor; and a control unit configured to control the switch unit such that a current from the current source is bypassed to the bypass resistor during a predetermined oscillation starting period, and to control the switch unit such that the current from the current source flows to the feedback resistor after the predetermined oscillation starting period has ended.Type: GrantFiled: January 27, 2010Date of Patent: October 23, 2012Assignee: Oki Semiconductor Co., Ltd.Inventor: Kenji Arai
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Patent number: 8112209Abstract: A vehicle driving force control device including an input shaft rotation number sensor which detects a transmission input shaft rotation number to be input from an engine to an automatic transmission, an accelerator opening sensor which detects accelerator opening, a TCU for calculating a required output of the automatic transmission based on the transmission input shaft rotation number and the accelerator opening, and an electronic control unit which controls the engine and the automatic transmission based on the required output. The TCU sets the required output to a constant value regardless of the transmission input shaft rotation number when the accelerator opening is not larger than a predetermined value, and sets to increase or decrease the required output according to increase and decrease of the transmission input shaft rotation number when the accelerator opening is larger than the predetermined value.Type: GrantFiled: March 10, 2008Date of Patent: February 7, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroyuki Ogawa, Kenji Arai
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Patent number: 8085588Abstract: Systems and methods for programming data to a memory device (MD). The methods involve receiving the data at MD (100) from an external data source. MD includes a memory cell array (MCA) for storing the data including numbers in data blocks (DB) or memory cell array planes (MCAP). Each DB (122a, 122b, 122c, 122d) and MCAP (1020a, 1020b, 1020c, 1020d) includes memory addresses (Ads) corresponding to locations of respective transistor circuits (2021, 2022, . . . , 202n, . . . , 202m) within the MCA (120, 1020a, 1020b, 1020c, 1020d). Two or more of the transistor circuits have different threshold voltages (TVs) with respect to each other. The methods further involve programming the data to each DB or MCAP in accordance with a first mode. In the first mode, each number is programmed to a different MA of each DB or MCAP based at least in part on the different TVs.Type: GrantFiled: April 30, 2009Date of Patent: December 27, 2011Assignee: Spansion LLCInventors: Naoharu Shinozaki, Kenji Arai, Satoshi Sakurakawa
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Patent number: 8076017Abstract: Disclosed is a fuel cell stack which includes: a cell assembly formed of stacked unit cells, each composed of a membrane electrolyte assembly and separators which sandwich the membrane electrolyte assembly; a pair of collector plates A and B which sandwiches the cell assembly; a pair of end plates A and B which sandwiches the cell assembly and the collector plates; and an elastic member disposed between end plate A and collector plate A, wherein end plate A has a convexed portion and a concaved portion on a surface facing collector plate A, and the concaved portion of end plate A holds therein the elastic member, and a bottom surface of the concaved portion includes a second convexed portion and a second concaved portion.Type: GrantFiled: March 5, 2010Date of Patent: December 13, 2011Assignee: Panasonic CorporationInventors: Toshihiro Matsumoto, Yoshiki Nagao, Hiroki Kusakabe, Norihiko Kawabata, Kenji Arai
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Patent number: 8053140Abstract: Provided is a fuel cell comprising a membrane electrode assembly, a pair of separators that sandwich the membrane electrode assembly therebetween, and a gas inlet distribution part that connects a reactive gas supply manifold hole and a reactive gas flow channel, wherein the gas inlet distribution part comprises n (n is an integer of 2 or more) distribution ribs that divide the gas inlet distribution part into a plurality of spaces, and each have a long axis perpendicular to the long axis of the linear gas flow channel and have two or more slits parallel to the long axis of the linear gas flow channel, when among the ribs, a distribution rib closest to the reactive gas supply manifold hole is defined as a first distribution rib, a distribution rib closest to the reactive gas flow channel is defined as an n-th distribution rib, and among the spaces, a space on the reactive gas supply manifold hole side from the first distribution rib is defined as a diffusion space, the cross-sectional area of the diffusion spType: GrantFiled: September 9, 2010Date of Patent: November 8, 2011Assignee: Panasonic CorporationInventors: Takashi Nakagawa, Toshihiro Matsumoto, Miyuki Yoshimoto, Kenji Arai
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Patent number: 8044731Abstract: There is provided an oscillator circuit including: a current source; a resonant unit; an oscillation amplification unit connected to the current source and connected in parallel to the resonant unit; a feedback resistor connected in parallel to the oscillation amplification unit; a switch unit having a first end connected to the current source side of the oscillation amplification unit; a replica circuit connected between a second end of the switch unit and a ground side of the oscillation amplification unit and having a configuration identical to a configuration of the oscillation amplification unit; and a level detecting unit that detects an input voltage of the oscillation amplification unit, and, when the detected input voltage is higher than a bias voltage level at a time of oscillation, cause the switch unit to allow a current from the current sources to bypass through the replica circuit.Type: GrantFiled: January 27, 2010Date of Patent: October 25, 2011Assignee: Oki Semiconductor Co., Ltd.Inventor: Kenji Arai