Inventor · Ichikawa, JP

Hiroshi Terunuma

22Patents
9h-index
23Co-inventors
71Inventor score

Filing activity: Jan 19, 1981 → Mar 28, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5649238A Camera having built-in flash light emitting device for improving picture quality and method thereof Physics 57 Expired
US5587754A Camera with guiding of rectilinear lens movement Physics 50 Expired
US5570151A Camera which operates a shutter according to a photographer's wink and the vibration level Physics 19 Expired
US5381272A Lens barrel with improved drum arrangement Physics 16 Expired
US5937213A Camera having scale imprintable capabilities and method for imprinting the scale Physics 15 Expired
US5515135A Camera lens driving device with rectilinear guide and flexible electrical substrate Physics 15 Expired
US4908646A Range measuring device for camera Physics 15 Expired
US5018832A Device for preventing generation of harmful light in objective lens assembly Physics 14 Expired
US4668070A Power supply device of a camera Physics 9 Expired
US4789875A Variable focus camera Physics 8 Expired
US5528335A Battery check device for a camera Physics 7 Expired
US5802407A Camera having common control circuit usable with different types of cameras Physics 6 Expired
US5537177A Camera Physics 6 Expired
US4482230A View finder unit mounted on a single lens reflex camera Physics 6 Expired
US5659832A Variable camera viewfinder corresponding to variable camera aperture Physics 5 Expired
US5678137A Camera with annular light shielding member around axially moving lens housing Physics 4 Expired
US4324470A Light intercepting device of a camera Physics 3 Expired
US5604555A Camera Physics 3 Expired
US4401374A Interchangeable finder device Physics 2 Expired
US5710951A Photograph information recording apparatus capable of recording reproduction control information and reproducing apparatus for reproducing photograph information on the basis of said reproduction control information Physics 2 Expired
US5654834A Lens barrel having at least two cylinders which join to block out leakage light Physics 0 Expired
US5485240A Focusing controller Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.