Patent assignee · US · COMPANY

ASTER CO., LTD.

34Patents
11Active
34Granted
42Portfolio score

Filing activity: Aug 20, 1985 → Jun 30, 2022

Most-cited patents

PatentTitleAreaCited byStatus
US5058983A Fiber optic connector terminator Physics 142 Expired
US5138676A Miniature fiberoptic bend device and method Physics 84 Expired
US4714316A Optical fiber unit having protective assembly Physics 64 Expired
US5184433A Fiber optic polisher Physics 46 Expired
US4844573A Electro-optical converter including ridgid support for optical fiber coupler, telephone set using the coupler and method of making same Emerging Cross-Sectional Technologies 46 Expired
US4997247A Fiber optic coupler and method for making same Physics 44 Expired
US4923268A Fiber optic coupler Physics 39 Expired
US5223106A Method of using an electrophoretic coatable sealant composition in assembling automobile bodies Chemistry; Metallurgy 35 Expired
US5293440A Environmentally stable fiber optic polarization maintaining couplers Physics 35 Expired
US4997248A Wide band coupler Physics 34 Expired
US4900771A Hot applied plastisol compositions Chemistry; Metallurgy 34 Expired
US5452393A Miniature fiberoptic bend device and method Physics 33 Expired
US5166994A Low cost one by eight singlemode optical fiber coupler Physics 31 Expired
US4948222A Optical fiber unit assembly package Physics 28 Expired
US5143650A Electrophoretic coatable sealant compositions comprising polyvinyl chloride and furnace carbon black Chemistry; Metallurgy 21 Expired
US5195151A Optical fiber couplers and methods of their manufacture Physics 20 Expired
US5160628A Method of making a filler from automotive paint sludge, filler, and sealant containing a filler Chemistry; Metallurgy 19 Expired
US5121452A Fiber optic power splitter Physics 19 Expired
US5254263A Method of making sludge powder and sealant from paint sludge and sludge powder and sealant compositions produced thereby Chemistry; Metallurgy 16 Expired
US5880218A Compounded polymeric compositions utilizing processed paint sludge as a replacement for polymeric components Chemistry; Metallurgy 12 Expired
US5067787A Electro-optical converter Emerging Cross-Sectional Technologies 11 Expired
US5922834A Method for treating paint sludge Chemistry; Metallurgy 10 Expired
US6322907A Composite wire comprising a carbon-steel core and a stainless-steel outer layer Emerging Cross-Sectional Technologies 9 Expired
US10211710B2 Cold pressure welding apparatus, coil manufacturing apparatus, coil, and method of manufacturing the same Electricity 4 Active
US10742097B2 Cold pressure welding apparatus, coil manufacturing apparatus, coil, and method of manufacturing the same Electricity 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.