Inventor

YAMAGUCHI AKIFUMI

JP40 patents

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

YAMAGUCHI AKIFUMI

SHARP KK

Optical inclination sensor

Optical distance measuring sensor and electronic device

Optical range-finding sensor, object detection device, self-cleaning toilet seat, and method for manufacturing optical range-finding sensor

Multi-beam optical range sensor and self-propelled cleaner and air-conditioner equipped with the same

Optical moving information measuring apparatus and carrier system incorporating the same

Optical object identification apparatus, and printing apparatus and object classification apparatus using same

Optical motion detector, transport system and transport processing system

Transmissive-type photo-interruptor with molded housing and crosstalk shielding

Optical distance measuring sensor and self-propelled cleaner

Optical distance measuring sensor, self-propelled cleaner, and air conditioner

Optical object identifying device and printing apparatus

Particle detection sensor and particle detection apparatus

Optical distance measuring device and printing apparatus using the same

Optical movement detecting device and transport system using the same

Optical detection device and electronic equipment for detecting at least one of an X-coordinate and a Y-coordinate of an object

Optical ranging sensor and electronic device

Optical object identification device and printing apparatus using the same

KYOCERA DOCUMENT SOLUTIONS INC

Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing device

Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrier

Image forming apparatus with developer information acquisition unit that acquires information relating to deterioration of developer based on an acquired toner charging amount

Image forming apparatus

Image forming apparatus provided with a photosensitive member having a photosensitive layer and a surface protection layer which is formed on the surface of the photosensitive layer and which has a hardness higher than that of the photosensitive layer

Developing device and image forming apparatus

Image forming apparatus

Stirring/conveying member, and developing device and image forming apparatus therewith

Developing device with developing roller and thickness regulating member and image forming apparatus provided with same

Developing device and image forming apparatus provided with same

Image forming apparatus and developer supply method

Developing device and image forming apparatus provided with same

Developing unit and image forming apparatus

Development device and image forming apparatus including the same

TOSHIBA KK

Electronic device

Electronic apparatus with cooling unit

Television and electronic apparatus

YAMAGUCHI AKIFUMI

Optical ranging sensor and electronic equipment

Television apparatus and electronic device

WADA HIDEO

Optical distance-measuring device and electronic device

Optical distance-measuring device and electronic device

AUDIO TECHNICA KK

Microphone

Microphone