Inventor · Nanbu, JP

Chiaki Tanaka

132Patents
25h-index
136Co-inventors
93Inventor score

Filing activity: Aug 1, 1973 → Feb 13, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5010879A Device for correcting spinal deformities Human Necessities 254 Expired
US7149970B1 Method and system for filtering and selecting from a candidate list generated by a stochastic input method Physics 124 Expired
US4337946A Golf ball Human Necessities 78 Expired
US6660443B2 Dry toner and image forming method using same Physics 68 Expired
US4438240A Polyamide elastomer Chemistry; Metallurgy 53 Expired
US6066428A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chemistry; Metallurgy 51 Expired
US4337947A Golf ball Chemistry; Metallurgy 50 Expired
US5789128A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 50 Expired
US5942363A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 49 Expired
US6492079B2 Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor Physics 48 Expired
US5846680A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 47 Expired
US6191249A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 41 Expired
US6756175B2 Method for fixing toner Physics 41 Expired
US5723243A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 40 Expired
US5840454A Aromatic polycarbonate and electrophotographic photosensitive medium using same Physics 40 Expired
US6548216B2 ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE PHOTOCONDUCTOR, AND LONG-CHAIN ALKYL GROUP CONTAINING BISPHENOL COMPOUND AND POLYMER MADE THEREFROM Physics 38 Expired
US6194535A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chemistry; Metallurgy 38 Expired
US5910561A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 37 Expired
US5976746A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 37 Expired
US4376194A Polyester amide and process for producing the same Chemistry; Metallurgy 36 Expired
US6187494A Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor Physics 35 Expired
US6069224A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 34 Expired
US4398000A Golf ball Emerging Cross-Sectional Technologies 34 Expired
US4315882A Elastomeric shaped article and method for preparing the same Performing Operations; Transporting 31 Expired
US6172176A Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Physics 25 Expired

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