Inventor · disambiguated record
Kazuyoshi Tokunaga
Also filed as: TOKUNAGA KAZUYOSHI
13 granted patents·760 citations·filing 1979–2003
93Inventor score
Top patents by PatentIndex Score
13 records- 0198US4672398AInk droplet expelling apparatusHITACHI LTD·Filed 1985·Granted Jun 9, 1987·538 cites·12 claims
- 0293US4416533ANonimpact printerHITACHI LTD·Filed 1982·Granted Nov 22, 1983·46 cites·11 claims
- 0377US6567180B1Document printing methodHITACHI KOKI KK·Filed 1999·Granted May 20, 2003·80 cites·6 claims
- 0474US6679821B1Centrifugal separator and administration of user and actual operation of the sameHITACHI KOKI KK·Filed 2000·Granted Jan 20, 2004·24 cites·21 claims
- 0571US7433075B2Method and image forming apparatus, and printing system for recording invisible information recordingRICOH PRINTING SYS LTD·Filed 2001·Granted Oct 7, 2008·18 cites·23 claims
- 0663US4314257AThermomagnetic recording apparatusHITACHI LTD·Filed 1980·Granted Feb 2, 1982·12 cites·8 claims
- 0750US7209256B2Document processing methodRICOH PRINTING SYS LTD·Filed 2003·Granted Apr 24, 2007·2 cites·13 claims
- 0845US5342280ASystem for management of body rotation of centrifugeHITACHI KOKI KK·Filed 1993·Granted Aug 30, 1994·11 cites·12 claims
- 0943US5675519AApparatus and method for controlling centrifugal separator and centrifugation simulation method and centrifugal separatorHITACHI KOKI KK·Filed 1994·Granted Oct 7, 1997·10 cites·6 claims
- 1042US4374191ADry reversal developer for electrostatic photography and electrostatic photographic method using the sameHITACHI LTD·Filed 1980·Granted Feb 15, 1983·5 cites·13 claims
- 1137US5841548APrinting apparatus for reproducing copy sets containing variable pages and a sorting means for separating the different copy setsHITACHI KOKI KK·Filed 1996·Granted Nov 24, 1998·7 cites·7 claims
- 1235US4427755AMethod for transferring toner images in electrophotographyHITACHI LTD·Filed 1979·Granted Jan 24, 1984·2 cites·6 claims
- 1328US5762598ASimulation program for centrifugation using a fixed-angle rotorHITACHI KOKI KK·Filed 1996·Granted Jun 9, 1998·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →