Inventor · disambiguated record
Youichi Iwasaki
Also filed as: IWASAKI YOUICHI
17 granted patents·1 pending application·469 citations·filing 1985–2013
95Inventor score
Top patents by PatentIndex Score
18 records- 0195US5031049AAutomatic object image follow-up deviceCANON KK·Filed 1990·Granted Jul 9, 1991·187 cites·96 claims
- 0278US4623237AAutomatic focusing deviceCANON KK·Filed 1985·Granted Nov 18, 1986·47 cites·3 claims
- 0376US5204749AAutomatic follow-up focus detecting device and automatic follow-up deviceCANON KK·Filed 1992·Granted Apr 20, 1993·39 cites·16 claims
- 0475US6467975B1Quantity-of-light adjusting device and optical apparatus having the sameCANON KK·Filed 2000·Granted Oct 22, 2002·11 cites·16 claims
- 0571US7611296B2Optical apparatus including diaphragm deviceCANON KK·Filed 2006·Granted Nov 3, 2009·3 cites·2 claims
- 0670US6086267AQuantity-of-light adjusting device using base and blade apertures for light quality controlCANON KK·Filed 1999·Granted Jul 11, 2000·30 cites·12 claims
- 0768US7551369B2Lens barrel and optical apparatusCANON KK·Filed 2007·Granted Jun 23, 2009·5 cites·10 claims
- 0865US6350068B1Quantity-of-light adjusting device and optical apparatus having the sameCANON KK·Filed 2000·Granted Feb 26, 2002·5 cites·17 claims
- 0964US7710661B2Optical apparatusCANON KK·Filed 2008·Granted May 4, 2010·3 cites·4 claims
- 1064US5041152AApparatus for bending tubular glassTOSHIBA KK·Filed 1988·Granted Aug 20, 1991·16 cites·14 claims
- 1163US5951250ATurbine cooling apparatusMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Sep 14, 1999·38 cites·6 claims
- 1261US5109161ALight emitter and optical system for a distance measuring deviceCANON KK·Filed 1990·Granted Apr 28, 1992·32 cites·10 claims
- 1356US4758082ADistance detection apparatusCANON KK·Filed 1986·Granted Jul 19, 1988·19 cites·12 claims
- 1455US5825545AImage stabilizing deviceCANON KK·Filed 1996·Granted Oct 20, 1998·19 cites·23 claims
- 1547US2014022354A1Solid-state imaging element, driving method thereof, and imaging deviceFUJIFILM CORP·Filed 2013·Application pending·0 cites
- 1644US5173807AOptical instrumentCANON KK·Filed 1990·Granted Dec 22, 1992·11 cites·14 claims
- 1732US5446494AFocus detecting systemCANON KK·Filed 1994·Granted Aug 29, 1995·2 cites·63 claims
- 1832US5087935AActive external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallaxCANON KK·Filed 1990·Granted Feb 11, 1992·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →