GEN LUMINESCENT CORP has a total of 12 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, electrical machinery and energy and machines are KASEI OPTONIX, OBRIEN GOINS SIMPSON & ASS and TEXAS UNITED CHEMICAL CO LLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Electrical machinery and energy | |
#3 | Machines | |
#4 | Measurement | |
#5 | Environmental technology | |
#6 | Textiles and paper |
# | Name | Total Patents |
---|---|---|
#1 | Sampson Isenberg | 9 |
#2 | Hultgren Rudolph C | 4 |
#3 | Poliak Charles A | 1 |
#4 | Rudolph Hultgren | 1 |
#5 | Norgard Wyman D | 1 |
Publication | Filing date | Title |
---|---|---|
US2425697A | Low-temperature luminescent lamp | |
US2397666A | Method of producing luminescent material | |
US2395185A | Production of luminescent dials | |
US2391705A | Printing method and product | |
US2389781A | Luminescent coating material | |
US2222510A | Art of coating luminescent tubes | |
US2222509A | Luminescent material | |
US2301228A | Lighting system | |
US2324843A | Luminescent material and method of producing same | |
US2192864A | Luminescent material | |
US2184266A | Apparatus for coating tubes with luminescent materials | |
US2269819A | White light lamp |