Inventor · disambiguated record
Yasuo Abuyama
Also filed as: ABUYAMA YASUO
23 granted patents·360 citations·filing 1982–2001
96Inventor score
Top patents by PatentIndex Score
23 records- 0194US4579443AImage-forming apparatusTOSHIBA KK·Filed 1985·Granted Apr 1, 1986·52 cites·15 claims
- 0288US5144452AImage forming apparatus in which is calculated the number of images at a given magnification to duplicate repeatedly on a given size recording medium without interferenceTOSHIBA KK·Filed 1991·Granted Sep 1, 1992·91 cites·6 claims
- 0384US4711556ACopying machine with an interrupt functionTOSHIBA KK·Filed 1986·Granted Dec 8, 1987·27 cites·6 claims
- 0480US4678316AImage forming apparatus adapted to enter an interrupt copying mode and an energy saving modeTOSHIBA KK·Filed 1986·Granted Jul 7, 1987·24 cites·2 claims
- 0576US4931837ARemovable developing unit for an electrostatic copier and locking device thereforTOSHIBA KK·Filed 1989·Granted Jun 5, 1990·15 cites·8 claims
- 0671US4674862AImage-forming apparatus with a document-feeding deviceTOSHIBA KK·Filed 1984·Granted Jun 23, 1987·10 cites·6 claims
- 0765US4568173AImage forming apparatusTOSHIBA KK·Filed 1984·Granted Feb 4, 1986·12 cites·4 claims
- 0862US6786401B2Passing examination system & passing examination methodTOSHIBA KK·Filed 2001·Granted Sep 7, 2004·10 cites·12 claims
- 0962US5510908AImage reading device for removing the background of a scanned original documentTOSHIBA KK·Filed 1995·Granted Apr 23, 1996·27 cites·16 claims
- 1053US4875092AImage forming apparatus with positioning-mark forming functionTOSHIBA KK·Filed 1987·Granted Oct 17, 1989·12 cites·9 claims
- 1153US4627713ACopying machineTOSHIBA KK·Filed 1984·Granted Dec 9, 1986·8 cites·3 claims
- 1252US4814823AImage forming apparatusTOSHIBA KK·Filed 1987·Granted Mar 21, 1989·6 cites·14 claims
- 1351US4540274AImage forming apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Sep 10, 1985·7 cites·6 claims
- 1448US4743963AApparatus for magnifying or reducing a color image in which sequentially-stored RGB data are selectively read out from a memory in accordance with previously-determined read control dataTOSHIBA KK·Filed 1986·Granted May 10, 1988·18 cites·11 claims
- 1545US4888650AImage forming apparatus with function of auto error correction for optical systemTOSHIBA KK·Filed 1988·Granted Dec 19, 1989·8 cites·7 claims
- 1645US4557585AReturn speed control system for use in a document scanning apparatusTOSHIBA KK·Filed 1984·Granted Dec 10, 1985·3 cites·11 claims
- 1743US4857954AImage forming apparatusTOSHIBA KK·Filed 1988·Granted Aug 15, 1989·4 cites·19 claims
- 1840US5083216AImage forming apparatus for forming an image according to magnificationTOSHIBA KK·Filed 1989·Granted Jan 21, 1992·11 cites·6 claims
- 1939US4956673AImage forming apparatus with easily removable developing unitsTOSHIBA KK·Filed 1988·Granted Sep 11, 1990·3 cites·10 claims
- 2038US4831462AImage forming apparatus with halftone control functionTOSHIBA KK·Filed 1987·Granted May 16, 1989·5 cites·16 claims
- 2135US5153646AImage forming apparatus with removable developing meansTOSHIBA KK·Filed 1990·Granted Oct 6, 1992·4 cites·9 claims
- 2231US5127086AImage forming apparatusTOSHIBA KK·Filed 1991·Granted Jun 30, 1992·2 cites·6 claims
- 2329US4595189APaper feeder apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jun 17, 1986·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →