Inventor · Hachioji, JP

Kishio Tamura

13Patents
4h-index
22Co-inventors
60Inventor score

Filing activity: Sep 30, 1994 → Mar 15, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5631116A Carrier for electrophotographic use Emerging Cross-Sectional Technologies 18 Expired
US6475688B1 Electrophotographic toner, and image forming apparatus and image forming method using the same Physics 13 Expired
US6090517A Two component type developer for electrostatic latent image Physics 7 Expired
US5643704A Two-component type developer for developing an electrostatic image Physics 6 Expired
US5795691A Developer for electrostatic latent image development Physics 3 Expired
US5527558A Method for preparation of a carrier for developing an electrostatic charge image Physics 3 Expired
US10534121B2 Holographic optical element and method for producing the same Physics 2 Active
US7634217B2 Electrophotographic image forming method using a double walled toner cartridge Physics 1 Active
US10108102B2 Fixing solution and image forming method Physics 0 Active
US11209360B2 Color tone quantification device for glossy color, color tone measurement device for glossy color and color tone quantification method for glossy color Physics 0 Active
US8874019B2 Image forming method Physics 0 Active
US8811879B2 Image forming method Physics 0 Active
US9360785B2 Toner for electrostatic image development, two-component developer, and image formation process Physics 0 Active

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