Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Novel pyrazolone dye

Novel pyrazolone dye

US Patent 4833246 · Granted May 23, 1989

Estimated economic value: $45,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ultrasound image apparatus and liquid infiltration prevention method into bonded2025
Programmable logic controller, external apparatus, method, and recording medium2022
Charge transport film, method for producing the same, and light-emitting element2016
Pigment composition, ink for inkjet recording, coloring composition for color fi2014
Method of producing a metal phthalocyanine compound, and method of producing a p2014
Oxo-titanylphthalocyanine crystal, method for producing the same and electrophot2014
Electrophotographic photoreceptor and image forming apparatus2014
Oxygen permeability measuring apparatus and method, and defect inspection appara2014
Mechanism of separating and purifying DNA and the like2013
Method for crystallizing thin film, method for manufacturing thin film semicondu2013
Method of manufacturing thin film transistor, thin film transistor, and display 2013
Pigment dispersion composition, colored curable composition, color filter for so2013