Inventor · disambiguated record
Yoshisada Hayamizu
Also filed as: HAYAMIZU YOSHISADA
5 granted patents·94 citations·filing 1975–1980
78Inventor score
Files withOLYMPUS OPTICAL CO5
Top patents by PatentIndex Score
5 records- 0174US4036218AEndoscopeOLYMPUS OPTICAL CO·Filed 1975·Granted Jul 19, 1977·63 cites·8 claims
- 0259US4291945APentagonal roof prism for viewfinderOLYMPUS OPTICAL CO·Filed 1980·Granted Sep 29, 1981·7 cites·5 claims
- 0348US4153834APattern projector for automatic focusing endoscopeOLYMPUS OPTICAL CO·Filed 1977·Granted May 8, 1979·23 cites·6 claims
- 0436US4252424AFocusing optical system for single-lens reflex camerasOLYMPUS OPTICAL CO·Filed 1979·Granted Feb 24, 1981·1 cites·9 claims
- 0526US4223989AFocusing optical system for single-lens reflex camerasOLYMPUS OPTICAL CO·Filed 1978·Granted Sep 23, 1980·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →