Inventor

NAGAHAMA TATSUYA

JP57 patents

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

NAGAHAMA TATSUYA

MAKITA CORP

Battery

Battery

Battery

Portable battery pack charging system, method for recharging a battery pack, and adapter therefor

Charger for hand-held power tool, power tool system and method of charging a power tool battery

Power tool

Power tool system and battery pack therefor having wireless communicator

Electric power tool

Work machine having operation rod

Power tool

Power tool system having receptacle for wireless communication adapter

Battery

Power tool system and battery pack therefor having wireless communicator

Power tool

Power tool, such as a portable circular saw, having improved braking and cooling

Power tool

Power tool

Battery pack

Battery pack

Battery pack

Power tool system having wireless communicator

Battery pack

Power tool

Electrical-device system and detachable DC power source

Battery pack

MITUTOYO CORP

Variable focal length lens system with multi-level extended depth of field image processing

Ring illuminator

Illuminance calibrating method of illuminator, illuminance calibration controller of illuminator, illuminance calibrating program of illuminator, recording medium storing the program and measuring tool

Variable focal length lens

Photoelectric encoder

Light interference measuring device and program therefor

Double telecentric objective lens

Illumination device and vision measuring instrument

Telecentric optical apparatus

Variable focal length lens apparatus

Variable focal length lens

Variable focal length lens

Adapter optical system and focal length variable optical system

White-light interferometric measuring device

Telecentric optical apparatus

Measurement system and method for switching set value for adjustment

NAGAHAMA TATSUYA

Optical encoder

Light-interference measuring apparatus

Autofocus device with contrast enhancement

FURUI NOBUYASU

Portable battery pack charging system, method for recharging a battery pack, and adapter therefor

YOSHIKAWA SHUJI

Charger for hand-held power tool, power tool system and method of charging a power tool battery

MITSUI MINING & SMELTING CO

Method for separating large-sized film-like plastics

ALTENDORF ERIC HERBERT

Optical encoder using off-axis imaging through a lens

MATSUMIYA SADAYUKI

Interference objective lens unit and light-interference measuring apparatus using thereof

KANEKO EMI

Photoelectric encoder with optical grating