2252 patents
Utility
Resistor
18 Jan 24
A resistor includes a resistive element including a first surface and a second surface facing opposite sides in a thickness direction; a protective film having electrical insulating properties disposed on the first surface; and a pair of electrodes disposed spaced apart from each other in a first direction perpendicular to the thickness direction, the pair of electrodes being configured to come into contact with the resistive element.
Atsuki YAKATA
Filed: 27 Sep 23
Utility
Isolation Transformer
18 Jan 24
This isolation transformer includes: an isolation layer; a transformer having a first coil and a second coil; and a capacitor having a first capacitor electrode and a second capacitor electrode disposed between the first coil and the second coil.
Bungo TANAKA
Filed: 26 Sep 23
Utility
Semiconductor Device
18 Jan 24
A semiconductor device includes a substrate having a main surface, a plurality of first wirings, each having a first embedded part embedded in the substrate and exposed from the main surface, and a mounted part which is in contact with the main surface and is connected to the first embedded part, a semiconductor element having an element rear surface and a plurality of electrodes bonded to the mounted parts, a plurality of second wirings, each having a second embedded part embedded in the substrate and exposed from the main surface and a columnar part protruding from the second embedded part in the thickness direction, and being located outward from the semiconductor element as viewed in the thickness direction; and a passive element located on the side facing the main surface in the thickness direction more than the semiconductor element, and electrically connected to the plurality of second wirings.
Isamu NISHIMURA, Mamoru YAMAGAMI
Filed: 13 Sep 23
Utility
Isolation Transformer
18 Jan 24
An isolation transformer includes an insulation layer, a transformer, and a capacitor.
Bungo TANAKA
Filed: 27 Sep 23
Utility
Nitride Semiconductor Device
18 Jan 24
A nitride semiconductor device includes an electron transit layer, formed above a substrate, and an electron supply layer formed on the electron transit layer and having a larger band gap than the electron transit layer.
Isamu NISHIMURA
Filed: 11 Jul 23
Utility
Isolation Transformer, Isolation Module, and Gate Driver
18 Jan 24
An isolation transformer includes an insulation layer and a transformer.
Keiji WADA, Yasushi HAMAZAWA
Filed: 27 Sep 23
Utility
Series Capacitor Step-down Converter, and Controller Circuit and Control Method Thereof
18 Jan 24
Kazuki Hashimoto, Akihiro KAWANO
Filed: 11 Jul 23
Utility
Mems Device and Method of Manufacturing Mems Device
18 Jan 24
A MEMS device includes a substrate which has a first main surface and a second main surface facing the first main surface, and in which a silicon substrate, a silicon carbide layer having conductivity, and a silicon layer are sequentially stacked from a second main surface side toward a first main surface side, a cavity recessed over the silicon layer, the silicon carbide layer, and the silicon substrate from the first main surface of the substrate to the second main surface side of the substrate, a MEMS electrode which is arranged in the cavity, is composed of the silicon layer and the silicon carbide layer, and is spaced apart from a bottom surface of the cavity to the first main surface side, and an isolation joint which divides the MEMS electrode in a plan view and mechanically connects and electrically isolates both sides of the divided MEMS electrode.
Martin Wilfried HELLER
Filed: 7 Jul 23
Utility
Driving Circuit, Semiconductor Device Including the Same, and Switching Power Supply Device Including the Same
18 Jan 24
A driving circuit is configured to be capable of driving a switching element.
Yuta SHIROISHI, Takumi FUJIMAKI, Satoru NATE
Filed: 14 Jul 23
Utility
Method and Apparatus for Fast Short Circuit Detection of a Short Circuit at a Gate-controlled Power Switch
18 Jan 24
A fast short circuit detection method for detection of a short circuit at a gate-controlled power switch, said method comprising the steps of providing a measurement signal in response to a voltage drop along a stray inductance of the gate-controlled power switch; and generating a short circuit detection signal if the provided measurement signal exceeds a reference voltage and the gate-controlled power switch is in a switched-on state.
Aly MASHALY, Ignacio LIZAMA, Vikneswaran THAYUMANASAMY
Filed: 28 Sep 23
Utility
Semiconductor device and semiconductor device system
16 Jan 24
A semiconductor device includes an oscillator configured to generate a first clock signal, a first terminal via which an input clock signal is fed in from the outside, a first counter configured to count a clock signal based on the first clock signal between edges in the input clock signal, and a controller configured to send to the oscillator an instruction to adjust the frequency of the first clock signal based on the result of comparison of the count value by the first counter with an expected value.
Kei Nagao
Filed: 29 Dec 20
Utility
Switch device
16 Jan 24
A switch device includes a switching element that connects/disconnects a current path from a power supply terminal to a ground terminal via a load, and an overcurrent protection circuit that limits output current flowing in the switching element to be an overcurrent limit value or less.
Toru Takuma
Filed: 16 Dec 21
Utility
Semiconductor Structure for Inspection
11 Jan 24
A semiconductor structure for inspection includes a semiconductor plate having a first main surface on one side and a second main surface on the other side, an inspection region provided in the first main surface, a main surface electrode having a first hardness and covering the first main surface in the inspection region, and a protective electrode having a second hardness which exceeds the first hardness, covering the main surface electrode in the inspection region, and forming a current path between the second main surface and the protective electrode via the semiconductor plate.
Toshiro TAKAO, Katsuhisa NAGAO, Yoshiro ENOKIDA
Filed: 26 Sep 23
Utility
Inkjet Print Head
11 Jan 24
An inkjet print head includes an actuator substrate that has an ink flow passage including a pressure chamber, a movable film formation layer that includes a movable film disposed on the pressure chamber and demarcating a top surface portion of the pressure chamber, a piezoelectric element that includes a lower electrode disposed on the movable film, a piezoelectric film formed on the lower electrode, and an upper electrode formed on the piezoelectric film, a hydrogen barrier film that covers at least entire side surfaces of the upper electrode and the piezoelectric film among surfaces of the piezoelectric element, an interlayer insulating film that is formed on the movable film formation layer such as to cover the hydrogen barrier film, and a wiring that is formed on the interlayer insulating film and is connected to the piezoelectric element and a fuse is inserted in an intermediate portion of the wiring.
Yoshikazu FUJIMORI
Filed: 21 Oct 21
Utility
Nitride Semiconductor Device
11 Jan 24
A nitride semiconductor device is a nitride semiconductor device including a substrate that has a first main surface and a second main surface at an opposite side thereto and a nitride epitaxial layer that is formed on the first main surface.
Keita SHIKATA
Filed: 21 Sep 23
Utility
Macro Model of a Semiconductor Integrated Circuit Device, a Circuit Design Simulation Program, and a Circuit Design Simulator
11 Jan 24
For example, a macro model of a semiconductor integrated circuit device is used in a circuit design simulator, and comprises a plurality of functional blocks and a characteristic setting block.
Kyoji MARUMOTO, Takuya KATAYAMA
Filed: 26 Sep 23
Utility
Semiconductor Device
11 Jan 24
A semiconductor device includes a chip having a main surface, a groove structure including a groove formed at the main surface, a source electrode that is embedded in the groove at a bottom side of the groove and that has a projection portion on one side and a projection portion on the other side both of which protrude toward an opening side of the groove, and a gate electrode embedded between a pair of the projection portions at the opening side of the groove, and a source via electrode on one side and a source via electrode on the other side that are connected to the projection portion on the one side and the projection portion on the other side, respectively, on the groove structure.
Masaki NAGATA
Filed: 25 Sep 23
Utility
Power Supply System
11 Jan 24
Provided is a power supply system including a plurality of linear power supply devices.
Isamu Iwhashi, Hiroki Inoue
Filed: 5 Jul 23
Utility
Semiconductor Device
11 Jan 24
A semiconductor device includes an insulating layer, a barrier electrode layer formed on the insulating layer, a Cu electrode layer that includes a metal composed mainly of copper and that is formed on a principal surface of the barrier electrode layer, and an outer-surface insulating film that includes copper oxide, that coats an outer surface of the Cu electrode layer, and that is in contact with the principal surface of the barrier electrode layer.
Bungo TANAKA, Keiji WADA, Satoshi KAGEYAMA
Filed: 21 Sep 23
Utility
Coil Component, and Substrate with Integrated Coil
11 Jan 24
A coil component includes a primary winding generating a magnetic field by current input from outside, and a secondary winding an induced current generated by the magnetic field passes.
Hirokatsu UMEGAMI, Atsushi YAMAGUCHI, Manabu ISHITOBI
Filed: 21 Jul 21