Inventor · disambiguated record
Koji Hikawa
Also filed as: HIKAWA KOJI
14 granted patents·350 citations·filing 1979–2002
94Inventor score
Top patents by PatentIndex Score
14 records- 0194USD278435SI/O Terminal for data communicationRICOH CO LTD·Filed 1982·Granted Apr 16, 1985·38 cites·1 claims
- 0293USD327967SServing cartRICOH CO LTD·Filed 1990·Granted Jul 14, 1992·48 cites·1 claims
- 0391US5602651AImage recording apparatusRICOH KK·Filed 1994·Granted Feb 11, 1997·41 cites·7 claims
- 0489USD328171SCabinetRICOH CO LTD·Filed 1990·Granted Jul 21, 1992·35 cites·1 claims
- 0587US6717807B2Cooling structure for electronic circuit unitFUJITSU LTD·Filed 2002·Granted Apr 6, 2004·39 cites·21 claims
- 0681USD318485SElectrostatic copying machineRICOH CO LTD·Filed 1989·Granted Jul 23, 1991·19 cites·1 claims
- 0777US5717843AImage recording apparatusRICOH KK·Filed 1995·Granted Feb 10, 1998·50 cites·20 claims
- 0873US5774232AImage recording apparatusRICOH KK·Filed 1995·Granted Jun 30, 1998·40 cites·18 claims
- 0967USD327966SServing cart with refrigeratorRICOH CO LTD·Filed 1990·Granted Jul 14, 1992·13 cites·1 claims
- 1067USD306165STelephone setRICOH CO LTD·Filed 1988·Granted Feb 20, 1990·11 cites·1 claims
- 1156USD312653SElectrostatic copying machineRICOH CO LTD·Filed 1988·Granted Dec 4, 1990·8 cites·1 claims
- 1249USD308694SLaser printerRICOH CO LTD·Filed 1986·Granted Jun 19, 1990·5 cites·1 claims
- 1343USD261770SElectrostatic copierRICOH CO LTD·Filed 1979·Granted Nov 10, 1981·2 cites·1 claims
- 1434USD307298SPortable copierRICOH CO LTD·Filed 1987·Granted Apr 17, 1990·1 cites·1 claims
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