Inventor

YOSHINO TSUNEMI

JP21 patents

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

YOSHINO TSUNEMI

WEST ELECTRIC CO

Camera with liquid crystal aperture control means

Drive device for lens barrel and diaphragm shutter

Photographic equipment

Photographic information display device

Automatic focusing apparatus

Drive apparatus of lens and exposure mechanism by motor

Driving circuit for a stepping motor

Device for shifting lens group

Piezoelectric aperture size control device

Automatic film transport device

Photographic lens device having a step motor mounted on the lens barrel

Focus state indicator

Device for detecting sharp focusing

Photographing lens system with focus informing means

Method for measuring distance and optical distance meter

Motor-driven film winder

Illuminating apparatus

Film winding system

Photographic stroboscope

Camera

SUMISAKI KATSUSHI

Light emitting element drive device and mobile apparatus