Inventor

NAGAI NOBUYUKI

JP68 patents

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

NAGAI NOBUYUKI

ASAHI OPTICAL CO LTD

Motor-driven auto-focusing system

Lens position adjusting method for zoom lens

Automatic focusing apparatus in a camera

Light amount distribution control device

Apparatus for driving stepper motor of camera

Time-sharing drive apparatus for motor of camera

Drive apparatus for zoom lens barrel

Element selecting device

Drive apparatus for zoom lens barrel

Apparatus for driving stepping motor of camera

Drive apparatus for zoom lens barrel

Drive apparatus for zoom lens barrel

Motor driven diaphragm apparatus for lens barrel

Drive apparatus for zoom lens barrel

Zoom electronic camera

SONY CORP

Optical element module and image pickup device

Actuator

Optical element module and image pickup device

Magnetic tape drive apparatus and magnetic head cleaning method

Camera module and camera apparatus and parallel link mechanism for reciprocating an image pickup device

Magnetic recording and playback device with ESD protection

Magnetic tape having controlled heat-shrinkage and humidity expansion with two or more column-like magnetic layers

Magnetic tape head having offset recording/ reproducing sections for simultaneous recording/ reproducing on adjacent tape tracks

Magnetic recording medium and method of fabricating the same

Actuator

KOBE STEEL LTD

Refractory monitoring temperature sensor and refractory erosion location measuring device

Method of monitoring the wear of refractory walls of a blast furnace and temperature probe used for the method

Probe and a system for detecting wear of refractory wall

Thermal sensor for detecting temperature distribution

Method for detecting brazing defects in plate-fin type heat exchangers

NAGAI NOBUYUKI

Sensor

Protrusion pattern forming device with display function

Actuator

HITACHI MAXELL

Magneto-optical recording media having an auxiliary magnetic layer

Lens module, camera module, and method of manufacturing camera module

KOKUYO KK

Foldable chair

Foldable chair

KATO YUSAKU

Geometry sensor and information input device

Method and apparatus for driving a polymer actuator to control a lens

MITSUBISHI HEAVY IND LTD

Heat treatment of titanium alloys

Titanium alloy with high internal friction and method of heat-treating the same

TANABE TADASHI

Tactile and visual user interface device and personal digital assistant

PENTAX CORP

Movable lens control device

HITACHI LTD

Magnetooptical recording method and apparatus utilizing shift adjustment

HOYA CORP

Movable lens control device

KAMATANI YOSHITERU

Lens module and camera

SONY SEMICONDUCTOR SOLUTIONS CORP

Imaging apparatus and manufacturing method for imaging apparatus

TOKYO SHIBAURA ELECTRIC CO

Induction heating apparatus

LEE TINGAN

Power supply apparatus including power conversion circuit controlled by PWM control circuit

MITSUBA CORP

Planetary gear reduction mechanism