Inventor · disambiguated record
Ei Yamamoto
Also filed as: YAMAMOTO EI
19 granted patents·194 citations·filing 1988–1995
95Inventor score
Technology areasG03G
Files withCANON KK19
Top patents by PatentIndex Score
19 records- 0184USD334769SCopying machineCANON KK·Filed 1991·Granted Apr 13, 1993·25 cites·1 claims
- 0283USD318486SCopying machineCANON KK·Filed 1989·Granted Jul 23, 1991·21 cites·1 claims
- 0382USD333131SConverter for transmitting image and character data from a computer to a printerCANON KK·Filed 1990·Granted Feb 9, 1993·24 cites·1 claims
- 0480USD314973SInk cartridge for printerCANON KK·Filed 1988·Granted Feb 26, 1991·19 cites·1 claims
- 0576USD319658SToner container for photo-copierCANON KK·Filed 1989·Granted Sep 3, 1991·16 cites·1 claims
- 0673USD314190SData processorCANON KK·Filed 1989·Granted Jan 29, 1991·14 cites·1 claims
- 0766USD338226SCopying machineCANON KK·Filed 1992·Granted Aug 10, 1993·12 cites·1 claims
- 0865USD333833SToner case for copying machineCANON KK·Filed 1991·Granted Mar 9, 1993·12 cites·1 claims
- 0963USD354307SAutomatic document feeder for copying machineCANON KK·Filed 1993·Granted Jan 10, 1995·11 cites·1 claims
- 1053USD375322SToner bottle cap for copying machineCANON KK·Filed 1995·Granted Nov 5, 1996·8 cites·1 claims
- 1150USD376170SToner bottle for copying machineCANON KK·Filed 1995·Granted Dec 3, 1996·7 cites·1 claims
- 1250USD322978SFilm scannerCANON KK·Filed 1989·Granted Jan 7, 1992·5 cites·1 claims
- 1348USD334944SPressure plate for copying machineCANON KK·Filed 1989·Granted Apr 20, 1993·5 cites·1 claims
- 1447US6041265AOperational control device and method for an image processing apparatusCANON KK·Filed 1995·Granted Mar 21, 2000·8 cites·11 claims
- 1544USD373375SCopying machineCANON KK·Filed 1995·Granted Sep 3, 1996·5 cites·1 claims
- 1633USD319256SMirror unit for photo-copier projectorCANON KK·Filed 1989·Granted Aug 20, 1991·1 cites·1 claims
- 1730USD382012SIntermediate conveying machine for copying machineCANON KK·Filed 1995·Granted Aug 5, 1997·1 cites·1 claims
- 1830USD322979SAutomatic slide film exchanging unitCANON KK·Filed 1989·Granted Jan 7, 1992·0 cites·1 claims
- 1929USD373376SPaper supplying device for copying machineCANON KK·Filed 1995·Granted Sep 3, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →