997 patents
Page 10 of 50
Utility
Semiconductor device
1 Nov 22
Provided is a semiconductor device, comprising: a semiconductor substrate; a transistor portion including an emitter region on the top of the semiconductor substrate; a diode portion including a cathode region on the bottom of the semiconductor substrate and a second conductivity type overlap region in a region other than the cathode region and arranged alongside to the transistor portion a preset arrangement direction on the top of the semiconductor substrate; and an interlayer dielectric film provided between the semiconductor substrate and an emitter electrode and including a contact hole for connecting the emitter electrode and the diode portion.
Yosuke Sakurai, Seiji Noguchi, Toru Ajiki
Filed: 26 Jan 21
Utility
Semiconductor device
1 Nov 22
A semiconductor device includes a semiconductor substrate of a first conductivity type, having an active portion and a gate pad portion; a first semiconductor layer of the first conductivity type; and a second semiconductor layer of a second conductivity type.
Keiji Okumura
Filed: 19 Apr 21
Utility
Beverage supplying apparatus
18 Oct 22
A beverage supplying apparatus that supplies a beverage into a beverage container, includes: an ingredient storage unit to store a beverage ingredient; a compressed gas supplying means to supply compressed gas to the ingredient storage unit and pressurize the beverage ingredient; and a beverage supplying means to, when receiving a supply command, allow the pressurized beverage ingredient to be supplied to a nozzle, and supply compressed nitrogen gas to the nozzle, so that the nitrogen gas and the beverage ingredient are mixed and stirred at the nozzle and the beverage is discharged to the beverage container through the nozzle.
Masami Hashimoto
Filed: 24 Jan 19
Utility
Semiconductor device
18 Oct 22
A semiconductor device including a semiconductor substrate, first and second transistor sections and a diode section provided on the substrate, is provided.
Tatsuya Naito
Filed: 24 Feb 20
Utility
Information processing apparatus and method
18 Oct 22
An information processing apparatus includes a processor that acquires an operation result on an input data by referring to a look-up table that stores an operation result of an operation process, including an obfuscating operation that includes ordering of bits, an exclusive-OR operation on a random number, and a multiplication on a Galois field, performed on data.
Kenji Takatsukasa
Filed: 24 Aug 20
Utility
Information processing apparatus and information processing method
18 Oct 22
An information processing apparatus includes a memory, and a processor coupled to the memory and configured to generate, from a common key used for symmetric key cryptography, and from either an encryption process using the common key or a decryption process using the common key, an encryption lookup table corresponding to the encryption process or a decryption lookup table corresponding to the decryption process by using white box cryptography, and disseminate the generated encryption lookup table or the generated decryption lookup table as a public key.
Kenji Takatsukasa
Filed: 29 Jul 20
Utility
Semiconductor device
11 Oct 22
A semiconductor device includes a collector layer of a first conductive type, a drift layer of a second conductive type, an accumulation region of the second conductive type, a base region of the first conductive type, emitter regions of the second conductive type, a first gate electrode in contact with the emitter regions via first gate insulating film, a second gate electrode facing the first gate electrode via the base region, and being in contact with the emitter regions via second gate insulating film, a first resistive section electrically connected to the first gate electrode, a second resistive section having a larger resistance than does the first resistive section, and electrically connected to the second gate electrode, and a gate electrode pad electrically connected to the first and second resistive sections.
Yoshihiro Ikura
Filed: 21 Apr 20
Utility
Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device
11 Oct 22
A semiconductor device includes a semiconductor device provided on a semiconductor substrate and an ohmic electrode provided on a back surface of the semiconductor device and containing a nickel silicide and a molybdenum carbide, or the nickel silicide and a titanium carbide.
Makoto Utsumi, Masaki Miyazato
Filed: 30 Nov 20
Utility
Superjunction semiconductor device having parallel PN structure with column structure and method of manufacturing the same
11 Oct 22
A semiconductor device has an active region through which current passes and an edge termination structure region.
Takeyoshi Nishimura, Ryo Maeta, Isamu Sugai
Filed: 31 Mar 20
Utility
Drive circuit, drive method, and semiconductor system
11 Oct 22
A drive circuit includes: a control section generating a control signal; a first level shift section raising a level of a signal from the control section; a high side drive section controlling a semiconductor device; and a second level shift section lowering a level of a signal from the high side drive section for input to the control section.
Masashi Akahane
Filed: 27 Oct 21
Utility
Switching apparatus and determination apparatus
11 Oct 22
Provided is a switching apparatus and a determination apparatus connected to the switching apparatus.
Tadahiko Sato
Filed: 27 Jul 21
Utility
Power converter device with non-overlapping bus bars
11 Oct 22
In a power conversion device, cable connection positions of connections in which a plurality of bus bars is respectively connected to external line cables are non-overlapping with each other as viewed from a side on which the external line cables are pulled out.
Keita Koshii
Filed: 24 Oct 19
Utility
Semiconductor device and method for producing semiconductor device
11 Oct 22
A semiconductor device including: a semiconductor substrate having a first and a second side, and including a donor layer with a doping concentration profile in a depth direction from the first to the second side.
Takashi Yoshimura, Masayuki Miyazaki, Hiroshi Takishita, Hidenao Kuribayashi
Filed: 19 Jan 21
Utility
Semiconductor device
4 Oct 22
A semiconductor device in which a semiconductor element mounted on a laminate substrate and an electrically conductive connection member are sealed with a sealing material, includes: a primer layer in an interface between the sealing material and sealed members including the laminate substrate, the semiconductor element, and the electrically conductive connection member, in which the sealing material includes a first sealing layer which is provided in contact with the primer layer; and a second sealing layer which covers the first sealing layer, the semiconductor device satisfies αp≥α1>α2 in which αp, α1, and α2 represent coefficients of linear thermal expansion of the primer layer, the first sealing layer, and the second sealing layer, respectively, αc≥15×10−6/° C. in which αc represents a composite coefficient of linear thermal expansion of the sealing layers, and Ec≥5 GPa or more in which Ec represents a composite Young's modulus of the sealing layers.
Yuko Nakamata
Filed: 26 Jan 21
Utility
Semiconductor module and semiconductor-module deterioration detecting method
4 Oct 22
A semiconductor module including a semiconductor element which is bonded to a wiring pattern part and connects or disconnects two main electrode terminals to or from each other according to a drive signal applied to a gate electrode terminal, includes a deterioration detecting circuit configured to use one main electrode terminal of the two main electrode terminals of the semiconductor element with an applied DC voltage, as a reference potential, and detect deterioration of a joining part of the semiconductor element on the basis of a gate voltage which is the voltage between the one main electrode terminal and the gate electrode terminal and an inter-main-electrode voltage which is the voltage between the one main electrode terminal and the other main electrode terminal, and outputs an alarm signal.
Eiji Kurosawa
Filed: 28 Jul 21
Utility
Temperature detection device
27 Sep 22
A temperature detection device includes a temperature detection diode, a comparator, and a forward current correction circuit.
Takahiro Mori
Filed: 22 Feb 19
Utility
Semiconductor module, vehicle and manufacturing method
27 Sep 22
A semiconductor module comprising a semiconductor apparatus and a cooling apparatus, where: the semiconductor apparatus includes a semiconductor chip and a circuit board on which the semiconductor chip is mounted; and the cooling apparatus includes: a top plate on which the semiconductor apparatus is mounted; a jacket including a side wall connected to the top plate, a bottom plate connected to the side wall and facing the top plate, and a cooling pin fin extending in such a manner as to taper from the bottom plate toward the top plate, where at least the bottom plate and the cooling pin fin are integrally formed, and at least one of ends of the cooling pin fin is firmly fixed to the top plate; and a coolant flow portion defined by the top plate and the jacket and for flow of coolant.
Nobuhide Arai
Filed: 7 Jan 20
Utility
Semiconductor device and method of manufacturing semiconductor device
27 Sep 22
A semiconductor device, including a substrate, and a deposit layer and a semiconductor layer formed sequentially on the substrate.
Yasuyuki Hoshi, Yuichi Harada, Takashi Shiigi
Filed: 29 Aug 16
Utility
Semiconductor device
27 Sep 22
A semiconductor device having an arm block.
Hiroaki Ichikawa
Filed: 22 Jan 21
Utility
Semiconductor device and method of manufacturing semiconductor device
27 Sep 22
A semiconductor device includes an insulated circuit board in which a metal layer is formed on one surface of an insulating board and a semiconductor element having a polygonal shape when viewed in a plan view that is bonded to the metal layer via a bonding material.
Kazuo Enomoto
Filed: 26 Sep 19