Inventor · disambiguated record
Koichi Tsuyama
Also filed as: TSUYAMA KOICHI
17 granted patents·153 citations·filing 1980–1995
93Inventor score
Top patents by PatentIndex Score
17 records- 0182US5690837AProcess for producing multilayer printed circuit boardHITACHI CHEMICAL CO LTD·Filed 1995·Granted Nov 25, 1997·55 cites·13 claims
- 0269US5077169AToner composition and a method for preparing the sameMITA INDUSTRIAL CO LTD·Filed 1989·Granted Dec 31, 1991·15 cites·9 claims
- 0362US5362593AElectrophotographic toner having improved low temperature fixing properties, off-set resistance and heat resistanceMITA INDUSTRIAL CO LTD·Filed 1992·Granted Nov 8, 1994·13 cites·19 claims
- 0458US5281505AToner compositionMITA INDUSTRIAL CO LTD·Filed 1991·Granted Jan 25, 1994·12 cites·8 claims
- 0557US5110704AToner for developing statically charged images and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1990·Granted May 5, 1992·11 cites·10 claims
- 0655US4315845AProcess for preparing chemically platable thermosetting powder coatingHITACHI CHEMICAL CO LTD·Filed 1980·Granted Feb 16, 1982·16 cites·26 claims
- 0747US5275904AStart developer and method of controlling toner densityMITA INDUSTRIAL CO LTD·Filed 1993·Granted Jan 4, 1994·6 cites·3 claims
- 0843US5264311AElectrophotographic tonerMITA INDUSTRIAL CO LTD·Filed 1990·Granted Nov 23, 1993·6 cites·13 claims
- 0942US5119758ADeveloping processMITA INDUSTRIAL CO LTD·Filed 1989·Granted Jun 9, 1992·5 cites·7 claims
- 1038US5212034AElectrophotographic development magnetic resin coated carrierMITA INDUSTRIAL CO LTD·Filed 1991·Granted May 18, 1993·4 cites·5 claims
- 1136US5499083ADeveloping method using a developing agent conveying sleeve of a small diameter and toner for the developing agent used thereforMITA INDUSTRIAL CO LTD·Filed 1994·Granted Mar 12, 1996·3 cites·6 claims
- 1234US5376489ATwo-component developerMITA INDUSTRIAL CO LTD·Filed 1992·Granted Dec 27, 1994·3 cites·6 claims
- 1332US5232807AElectrophotographic developerMITA INDUSTRIAL CO LTD·Filed 1991·Granted Aug 3, 1993·2 cites·3 claims
- 1431US5213935AStart developer and method of controlling toner densityMITA INDUSTRIAL CO LTD·Filed 1991·Granted May 25, 1993·1 cites·6 claims
- 1530US5104766AToner for developing statically charged images and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1990·Granted Apr 14, 1992·1 cites·1 claims
- 1629US5240804AElectrophotographic developer comprising resin coated carrierMITA INDUSTRIAL CO LTD·Filed 1991·Granted Aug 31, 1993·0 cites·10 claims
- 1729US5223367AStart developerMITA INDUSTRIAL CO LTD·Filed 1991·Granted Jun 29, 1993·0 cites·6 claims
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