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Nikon Corp

Nikon Corp
Active Patents
0
Total Holdings
12

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4991160A Integrated optical device for magneto-optical recording and… Expired / Lapsed 1990-02-20 1991-02-05 39 Details
US4766453A Bayonet mount structure for interchangeable photographing l… Expired / Lapsed 1987-01-27 1988-08-23 10 Details
US4761561A Laser beam scanning pattern generation system with position… Expired / Lapsed 1986-11-21 1988-08-02 20 Details
US4649436A Image processing apparatus in film image phototelegraphy Expired / Lapsed 1985-01-23 1987-03-10 7 Details
US4424037A Dental implant Expired / Lapsed 1982-01-29 1984-01-03 3 Details
US4284335A Focus detecting apparatus Expired / Lapsed 1979-02-23 1981-08-18 11 Details
US4253752A Focus condition detecting device Expired / Lapsed 1979-09-26 1981-03-03 6 Details
US3969019A Curvature measuring optical system in ophthalmometer Expired / Lapsed 1975-04-07 1976-07-13 4 Details
US3930253A Circuit for converting an analog input signal voltage into … Expired / Lapsed 1974-01-24 1975-12-30 8 Details
US3679287A Illumination system for light microscopes Expired / Lapsed 1970-12-04 1972-07-25 4 Details
US3601466A Method for detecting an aberration-compensated image Expired / Lapsed 1969-06-09 1971-08-24 4 Details
US3511155A Automatic focussing means of optical instruments and struct… Expired / Lapsed 1966-06-30 1970-05-12 0 Details