Inventor · disambiguated record
Hirofumi Iwamoto
Also filed as: IWAMOTO HIROFUMI
13 granted patents·637 citations·filing 1985–1998
94Inventor score
Top patents by PatentIndex Score
13 records- 0197US5046826AIlluminator and display panel employing the illuminatorCANON KK·Filed 1988·Granted Sep 10, 1991·152 cites·11 claims
- 0295US5150231AImpact resistant ferroelectric liquid crystal apparatusCANON KK·Filed 1990·Granted Sep 22, 1992·142 cites·32 claims
- 0387US5710607AImpact resistant liquid crystal apparatusCANON KK·Filed 1994·Granted Jan 20, 1998·68 cites·19 claims
- 0487US5035491ALiquid crystal apparatusCANON KK·Filed 1990·Granted Jul 30, 1991·81 cites·32 claims
- 0587US4926058AImage reading apparatus with block lighting and pulsingCANON KK·Filed 1987·Granted May 15, 1990·57 cites·1 claims
- 0686US4680644AMethod and apparatus for reading an imageCANON KK·Filed 1985·Granted Jul 14, 1987·54 cites·18 claims
- 0777US4763189AColor image sensor with three line sensors on different layers separated by electrically-insulating layersCANON KK·Filed 1987·Granted Aug 9, 1988·34 cites·8 claims
- 0855US4733098AImage reading apparatus comprising first and second substrates separated at a fixed distanceCANON KK·Filed 1987·Granted Mar 22, 1988·13 cites·11 claims
- 0948US5082352AFerroelectric liquid crystal apparatusCANON KK·Filed 1989·Granted Jan 21, 1992·13 cites·16 claims
- 1042US6114282AThermal recording material and novel crystal of bisphenol S derivativeNIPPON KAYAKU KK·Filed 1998·Granted Sep 5, 2000·5 cites·14 claims
- 1141US5414542ALiquid crystal apparatusCANON KK·Filed 1992·Granted May 9, 1995·9 cites·12 claims
- 1241US4742239ALine photosensor with crosstalk suppressionCANON KK·Filed 1986·Granted May 3, 1988·7 cites·4 claims
- 1334US4956333AHeat-sensitive recording materialNIPPON KAYAKU KK·Filed 1989·Granted Sep 11, 1990·2 cites·1 claims
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