Inventor

WATANABE HIROFUMI

JP119 patents

⚠️ This page may combine multiple inventors who share the name “WATANABE HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WATANABE HIROFUMI

RICOH KK

Voltage generating circuit and reference voltage source circuit employing field effect transistors

Temperature sensor

Substrate biasing circuit and semiconductor integrated circuit device

Temperature sensing circuit

Device, method, and software products for extracting circuit-simulation parameters

C-MOS thin film transistor device manufacturing method

Reference voltage generating circuit and constant voltage circuit

Temperature sensor

Voltage-controlled oscillator including current control element

Voltage generating circuit and reference voltage source circuit employing field effect transistors

Voltage generating circuit and reference voltage source circuit employing field effect transistors

Semiconductor device with contact hole

Semiconductor apparatus and infrared light sensor

Reference voltage source circuit operating with low voltage

Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same

MITSUI MINING & SMELTING CO

Vehicle door latch device with double action mechanism

Door lock apparatus with automatic door closing mechanism

Powered sliding device for vehicle sliding door

Powered sliding device for vehicle sliding door

Door-opening/closing apparatus

Door-opening/closing apparatus

Anti-panic mechanism of vehicle door latch device

Vehicle door latch device with double action mechanism

Powered closing device for a vehicle door with a safety mechanism

Vehicular door lock device

Latch device for vehicle sliding door

Child-proof for vehicle sliding door latch device

Door operating apparatus, electromagnetic clutch, and coupling mechanism

Tension adjusting apparatus for use in vehicle door powered sliding device

Latch device for trunk lid of vehicle trunk room

MITSUBISHI ELECTRIC CORP

Control system for AC generator

Apparatus for controlling output of vehicular AC generator

Control apparatus for AC generator for gradually changing output voltages when changing operating modes

Vehicle generator controller

Control unit and method which vary the output voltage of an AC generator based on a detected duty ratio

AC generator control apparatus for a motor vehicle

Vehicle ac generator control system

Controller for car AC generator

Automotive dynamo controller

SMC CORP

Electric actuator

Electric rotary gripper

RICOH CO LTD

Reference voltage generating circuit and constant voltage circuit

Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same

KOBE STEEL LTD

Hydraulic excavator with engine intake air cleaner arrangement

Cooling system for construction equipment

WATANABE HIROFUMI

Electronic controller for vehicle

MITSUO KINZOKU KOGYO KABUSHIKI

Opening and closing device for vehicle slide door

AICHIDENSHI KABUSHIKI KAISHA

Mutual conversion method of binary data and multilevel signal, its communication method, and its receiving device

HONSHU SANGYOU KABUSHIKI KAISH

Shrink film package having perforated folded strip

MITSUBSHIKI DENKI KABSUHIKI KA

Vehicle generator controller