Inventor · Sakai, JP

Minoru Sekida

29Patents
8h-index
21Co-inventors
71Inventor score

Filing activity: Jan 23, 1975 → Oct 8, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4483601A Camera with photographic data setting device Physics 45 Expired
US4690530A Camera with release control and automatic film sensitivity setting Physics 40 Expired
US4621914A Camera system Physics 28 Expired
US5111234A Camera system with means for varying exposure control data Physics 27 Expired
US4558939A Flash photography system Physics 18 Expired
US4550996A Flash photography system Physics 17 Expired
US4514073A Automatic exposure control camera Physics 14 Expired
US4755845A Flash photography system Physics 9 Expired
US4777504A Camera with an automatic focusing device Physics 8 Expired
US4170410A Light measuring devices for cameras with automatic exposure control Physics 7 Expired
US4712904A Camera system Physics 6 Expired
US5005047A Camera data setting device Physics 5 Expired
US4763144A Camera system Physics 4 Expired
US5075710A Camera with manually operable means for designating and altering the kind of photographic data Physics 4 Expired
US4952959A Camera system Physics 4 Expired
US4866467A Camera system Physics 4 Expired
US4839687A Flash photography system Physics 4 Expired
US3961347A Interchangeable objective lens diaphragm exposure control coupling mechanism Physics 3 Expired
US4956661A Camera system Physics 3 Expired
US4939534A Flash photography system Physics 3 Expired
US4021829A Camera attachment operating device for setting exposure factor Physics 3 Expired
US5164760A Camera data setting device Physics 3 Expired
US4947203A Camera system for alternately indicating exposure time data, aperture value data and override data Physics 2 Expired
US4860046A Camera system Physics 2 Expired
US5041861A Camera system with means for detecting the condition of back-up power supply Physics 1 Expired

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