Inventor

OGAWA RYOTA

JP64 patents

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

OGAWA RYOTA

ASAHI OPTICAL CO LTD

Projection type liquid-crystal video display device using a fresnel lens

Pupil conjugate-coupling device in projecting optical system

Surveying instrument having an automatic focusing device

Autofocus camera

Contrast decreasing apparatus in image forming optical system

Variable power optical system

Laser scanning device

Reflecting illumination projecting device

Focus device for zoom lens

Autofocus distance-measuring optical system

Laser scanning device

Scope

Device for adjusting the diopter setting of a finder assembly

Device for adjusting the diopter setting of a finder assembly

Laser scanning device

Endoscope objective lens

Afocal zooming optical system

Reflecting illumination projecting device

Device for and method of reducing cross talk in optical disk device

Optical disk apparatus having a focusing error correcting system

Illuminating optical device

Bright medium-range telephoto lens

Continuous variable magnification-type copying machine capable of enlarging and contracting an image

Variable magnification type optical copier in which the copying size can be increased or decreased

Variable magnification copying device

Compact zoom lens system

Wide angle zoom lens with high zoom ratio

Zoom lenses

Zoom lens system

Large aperture superwide-angle lens

Zooming monocular or binoculars

Endoscope objective lens system

Copying optical system

Focus detecting device

Variable magnification type copying machine

Projector

Reflecting illumination type projecting device

Reflecting illumination type projecting device

Optical system for use in focus detecting apparatus

PENTAX CORP

Surveying system

Surveying system

Surveying system

HOYA CORP

Image pickup apparatus

Method and apparatus for photographing moving object

CANON KK

Image pickup apparatus and control method therefor

Driving control apparatus, image pickup apparatus, and control method

TOPPAN PRINTING CO LTD

Inner sealing material

ASAHI KOGAKU KK

Wide angle zoom lens having a high variation ratio

ASAHI KOGALU KOGYO KABUSHIKI K

Zoom lens having high zoom ratio including wide angle range

NUCLEAR FUEL INDUSTRIES LTD

Non-destructive testing method and a non-destructive testing device for an anchor bolt