Inventor · Oshima, JP

Ryohei Takiguchi

24Patents
8h-index
40Co-inventors
71Inventor score

Filing activity: Feb 9, 1982 → Sep 10, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5457081A Thermal transfer image receiving sheet Emerging Cross-Sectional Technologies 18 Expired
US5550098A Thermal transfer sheet Emerging Cross-Sectional Technologies 16 Expired
US4981746A Heat-sensitive stencil sheet Emerging Cross-Sectional Technologies 15 Expired
US5342819A Thermal transfer image-receiving sheet Emerging Cross-Sectional Technologies 12 Expired
US5576264A Receiving-layer transfer sheet Emerging Cross-Sectional Technologies 11 Expired
US5369078A Thermal transfer sheet Emerging Cross-Sectional Technologies 10 Expired
US4421839A Heat-sensitive and photofixing recording sheet with diazosulfonate and acidic coupling agent therefore Emerging Cross-Sectional Technologies 10 Expired
US4446467A Heat-sensitive recording sheet, and a method and device for fixing a recorded information thereon Emerging Cross-Sectional Technologies 10 Expired
US5374601A Thermal transfer sheet Emerging Cross-Sectional Technologies 6 Expired
US4579804A Method and material for image formation Physics 5 Expired
US5545606A Thermal transfer image-recieving sheet Emerging Cross-Sectional Technologies 5 Expired
US5294590A Heat transfer image-receiving sheets Emerging Cross-Sectional Technologies 4 Expired
US5405824A Thermal transfer image-receiving sheet Emerging Cross-Sectional Technologies 4 Expired
US5387686A Dye for heat-sensitive transfer record and ink composition for heat-sensitive transfer record Emerging Cross-Sectional Technologies 3 Expired
US5185316A Heat transfer image-receiving sheets Emerging Cross-Sectional Technologies 3 Expired
US5607895A Thermal transfer sheet Emerging Cross-Sectional Technologies 2 Expired
US5714614A Thermal transfer sheet Emerging Cross-Sectional Technologies 0 Expired
US5502024A Heat transfer image-receiving sheet Emerging Cross-Sectional Technologies 0 Expired
US5328888A Thermal transfer image-receiving sheet Emerging Cross-Sectional Technologies 0 Expired
US5672563A Thermal transfer image-receiving sheet Emerging Cross-Sectional Technologies 0 Expired
US5296445A Dye for heat-sensitive transfer record, ink composition for heat-sensitive transfer record, and transfer sheet Emerging Cross-Sectional Technologies 0 Expired
US5330960A Heat transfer sheet Emerging Cross-Sectional Technologies 0 Expired
US5397761A Heat transfer image-receiving sheet Emerging Cross-Sectional Technologies 0 Expired
US5332711A Thermal transfer image-receiving sheet Emerging Cross-Sectional Technologies 0 Expired

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