Inventor · Hamamatsu, JP

Toshiya Iida

17Patents
5h-index
22Co-inventors
62Inventor score

Filing activity: Sep 30, 1994 → Jan 30, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5717846A Method and system for drawing network diagrams Physics 48 Expired
US5631433A Karaoke monitor excluding unnecessary information from display during play time Physics 37 Expired
US6391821B1 Oxidation catalyst Chemistry; Metallurgy 24 Expired
US5941711A Karaoke apparatus with a personal data reading function Physics 10 Expired
US6235222A Method for manufacturing fluoroaryl magnesium halide Chemistry; Metallurgy 5 Expired
US7589228B2 Fluorine-containing compound Chemistry; Metallurgy 4 Active
US6037501A Process for producing fluorene or its derivatives Chemistry; Metallurgy 2 Expired
US7205441B2 Method for producing tetrakis (fluoroaryl) borate-magnesium compound Chemistry; Metallurgy 2 Expired
US6281389A Method for purifying tetrakis(fluoroaryl)borate compounds or tris(fluoroaryl)borate compounds Chemistry; Metallurgy 1 Expired
US7678881B2 Transparent resin material Chemistry; Metallurgy 1 Active
US6818785B2 Method for purifying fluoroaryl borane derivative and bis (fluoraryl) borane derivative Chemistry; Metallurgy 0 Expired
US6509488B2 Method for purifying fluoroaryl metal compound Chemistry; Metallurgy 0 Expired
US6812360B2 Process for preparing bis(fluoroaryl)boron derivatives Chemistry; Metallurgy 0 Expired
US7887920B2 Borate and near-infrared ray absorption material Emerging Cross-Sectional Technologies 0 Active
US7254419B2 Tone generation system, communication terminal and tone generator module Electricity 0 Expired
US6465668B2 Method for producing fluoroaryl metal compound Chemistry; Metallurgy 0 Expired
US6444843B1 Producing method of (hydroxyalkyl) alicyclic carboxylic acids and intermediates for producing the same and producing method of such intermediates Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.