Inventor · disambiguated record
Masaaki Ishiyama
Also filed as: ISHIYAMA MASAAKI
7 granted patents·158 citations·filing 1992–2005
86Inventor score
Top patents by PatentIndex Score
7 records- 0189US5700867AAqueous dispersion of an aqueous hydrazine-terminated polyurethaneTOYO INK MFG CO·Filed 1996·Granted Dec 23, 1997·82 cites·16 claims
- 0279US6478944B1Functional Sn-Bi alloy plating using a substitute material for PbNISHIHARA RIKOH CORP·Filed 2000·Granted Nov 12, 2002·26 cites·38 claims
- 0378US5251202AOptical information recording medium having multi-layered structures for preventing undesired reflection and electric chargingRICOH KK·Filed 1992·Granted Oct 5, 1993·31 cites·22 claims
- 0458US6194115B1Toner composition for developing electrostatic latent imageTORAY INDUSTRIES·Filed 1999·Granted Feb 27, 2001·14 cites·8 claims
- 0548US6875332B2Functional alloy plating using substitute bonding material for Pb and electronic component to be mounted to which the functional alloy plating is appliedNISHIHARA RIKOH CORP·Filed 2002·Granted Apr 5, 2005·3 cites·20 claims
- 0645US6790333B2Functional alloy plating using substitute bonding material for Pb and electronic component to be mounted to which the functional alloy plating is appliedNISHIHARA RIKOH CORP·Filed 2002·Granted Sep 14, 2004·2 cites·42 claims
- 0739US7345823B2Optical system, color information displaying method, optical deflecting device, and image projection displaying apparatusRICOH KK·Filed 2005·Granted Mar 18, 2008·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →