Inventor · Fujisawa, JP

Masanori Hasuda

69Patents
17h-index
23Co-inventors
84Inventor score

Filing activity: Apr 23, 1986 → Jul 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD692475S1 Camera mount General 48 Active
USD727989S1 Intermediate adapter for a camera General 35 Active
USD721117S1 Camera lens General 32 Active
US8770868B1 Camera accessory Electricity 31 Active
USD727994S1 Intermediate adapter for a camera General 27 Active
USD698843S1 Intermediate adapter for a camera General 27 Active
US5384614A Lens installing/removing device Physics 26 Expired
USD698842S1 Camera lens General 26 Active
USD732101S1 Camera lens General 25 Active
USD731577S1 Intermediate adapter for a camera General 24 Active
USD732102S1 Intermediate adapter for a camera General 24 Active
USD705841S1 Intermediate adapter for a camera General 24 Active
USD706326S1 Camera lens General 23 Active
USD699773S1 Camera lens General 22 Active
USD698844S1 Intermediate adapter for a camera General 19 Active
US8757904B2 Adapter, camera system, and adapter control program Physics 19 Active
USD706853S1 Intermediate adapter for a camera General 17 Active
US8573868B2 Camera accessory, camera accessory mount, camera body and camera body mount Physics 17 Active
US4657366A Shutter device for camera Physics 15 Expired
US5323205A Divided blade and slit-forming blade for focal plane shutter Physics 13 Expired
US8430582B2 Camera accessory, mount of camera accessory, camera body and mount of camera body Physics 13 Active
US9645476B2 Camera accessory, camera accessory mount, camera body and camera body mount Physics 12 Active
US5532785A Camera having means for correcting shutter time by measuring the actual exposure time Physics 12 Expired
US9164360B2 Camera accessory Physics 11 Active
US5457514A Shutter instrumentation device for detecting the opening and the closing of a camera shutter Physics 9 Expired

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