Inventor · disambiguated record
Kiyoshi Iizuka
Also filed as: IIZUKA KIYOSHI
12 granted patents·263 citations·filing 1978–2004
92Inventor score
Top patents by PatentIndex Score
12 records- 0198US4427265ADiffusion plateCANON KK·Filed 1981·Granted Jan 24, 1984·73 cites·4 claims
- 0292US4421398AFocussing plateCANON KK·Filed 1983·Granted Dec 20, 1983·29 cites·16 claims
- 0385US4567123ADiffusing plateCANON KK·Filed 1985·Granted Jan 28, 1986·39 cites·3 claims
- 0476US4586029ABlur detecting deviceCANON KK·Filed 1983·Granted Apr 29, 1986·12 cites·21 claims
- 0575US5122888AFocusing plate having phase grating formed by using liquid crystalCANON KK·Filed 1991·Granted Jun 16, 1992·42 cites·31 claims
- 0665US7108580B2Method and device for simulation, method and device for polishing, method and device for preparing control parameters or control program, polishing system, recording medium, and method of manufacturing semiconductor deviceNIKON CORP·Filed 2004·Granted Sep 19, 2006·10 cites·7 claims
- 0757US4711547ADisplay deviceCANON KK·Filed 1985·Granted Dec 8, 1987·18 cites·8 claims
- 0852US4606612AOptical phase filter using liquid crystalCANON KK·Filed 1984·Granted Aug 19, 1986·13 cites·6 claims
- 0948US4795238ALiquid crystal focusing screen having different groups of electrodesCANON KK·Filed 1987·Granted Jan 3, 1989·5 cites·4 claims
- 1046US5136409ALiquid crystal device having at least two zones having different diffusion characteristicsCANON KK·Filed 1991·Granted Aug 4, 1992·13 cites·8 claims
- 1146US4586802ACamera capable of special effects photographyCANON KK·Filed 1985·Granted May 6, 1986·4 cites·9 claims
- 1242US4229750AInformation output unitCANON KK·Filed 1978·Granted Oct 21, 1980·5 cites·20 claims
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