Matrix Inc.
18Patents
4Active
18Granted
35Portfolio score
Filing activity: Feb 25, 1976 → Oct 1, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5259407A | Surface treatment method and apparatus for a semiconductor wafer | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4098478A | Portable folding seat | Human Necessities | 43 | Expired |
| USD433165S | Flooring panel for animal housings | General | 41 | Expired |
| US4044077A | Variable venturi nozzle-matrix carburetor add methods for intermixing fuel and air | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4199165A | Skateboard skid accessory | Human Necessities | 13 | Expired |
| US4446222A | Method of preparing printing surface formed of polymeric resin containing polyamide and dicarboxylic acid diester | Physics | 11 | Expired |
| US8248204B2 | Tag detecting system, moving object detecting method, and entrance/exit management system | Physics | 10 | Active |
| US4159121A | Accessories for skateboards | Human Necessities | 9 | Expired |
| US4269930A | Photopolymeric composition containing polyamide and dicarboxylic acid diester | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD654102S1 | Mitre saw | General | 6 | Expired |
| USD653268S1 | Mitre saw | General | 4 | Expired |
| US7985324B2 | Plasma treatment of fly ash from coal combustion to improve its marketability | Emerging Cross-Sectional Technologies | 4 | Active |
| USD426681S | Support unit for flooring for animal housings | General | 3 | Expired |
| US4345022A | Process of recovering unpolymerized photopolymer from printing plates | Physics | 3 | Expired |
| US4264712A | Method of hardening photopolymeric printing material using warm air | Physics | 3 | Expired |
| US8299635B2 | Power generator | Mechanical Engineering; Lighting; Heating | 2 | Active |
| USD654103S1 | Mitre saw | General | 0 | Expired |
| US9022297B2 | Trigger signal generating device and moving object management system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.