Inventor

HAMANISHI YOSHINARI

JP28 patents

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

HAMANISHI YOSHINARI

NIPPON KOGAKU KK

Rear-focus conversion device lens for telephoto lens

Four-group telephoto zoom lens

Photographic lens of a great aperture ratio

Rear focus conversion lens

Large aperture ratio photographic lens with means for correcting aberrations

Lens system capable of short distance photography

Lens system for photographing objects from infinity to a very short distance

Rear conversion lens

Telephoto zoom lens

Rear focus conversion lens apparatus

Rear conversion lens

Rear conversion lens

Four-group telephoto zoom lens

Four-group great aperture ratio zoom lens

Zoom lens capable of close range photography and method of focusing the same to a short distance

NIKON CORP

Zoom lens of internal focusing system

Rear conversion lens

Inner focusing type telephoto zoom lens

Telephoto zoom lens

Automatic focusing device for camera

Detecting apparatus for focus in camera

Zoom lens

Photo-taking lens assembly having an automatically and manually movable lens

Photo-taking lens for an underwater camera

Camera system including rear conversion lens

Lens system enabling close distance photographing

Auto focusing light device

System camera