Inventor · disambiguated record
Hideaki Yuda
Also filed as: YUDA HIDEAKI
8 granted patents·181 citations·filing 1983–1991
88Inventor score
Files withASAHI OPTICAL CO LTD8
Top patents by PatentIndex Score
8 records- 0194US4771308AAuxiliary light projecting apparatus for a focus detecting systemASAHI OPTICAL CO LTD·Filed 1987·Granted Sep 13, 1988·94 cites·35 claims
- 0271US5081545AFocusing screenASAHI OPTICAL CO LTD·Filed 1991·Granted Jan 14, 1992·30 cites·16 claims
- 0363US5085977AFocusing screen and a method of forming a microstructure array for use with a focusing screenASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 4, 1992·21 cites·20 claims
- 0447US4905034AAutomatic focusing projectorASAHI OPTICAL CO LTD·Filed 1987·Granted Feb 27, 1990·10 cites·12 claims
- 0543US4870442AAuxiliary light projecting apparatus for a focus detecting systemASAHI OPTICAL CO LTD·Filed 1988·Granted Sep 26, 1989·8 cites·8 claims
- 0641US4580042AFocusing position detecting device using a sector shaped mirrorASAHI OPTICAL CO LTD·Filed 1983·Granted Apr 1, 1986·7 cites·10 claims
- 0740US4600830AFocus detecting deviceASAHI OPTICAL CO LTD·Filed 1983·Granted Jul 15, 1986·6 cites·6 claims
- 0839US4949115AAutomatic focusing projectorASAHI OPTICAL CO LTD·Filed 1989·Granted Aug 14, 1990·5 cites·3 claims
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