V TECHNOLOGY CO., LTD.
104Patents
88Active
104Granted
57Portfolio score
Filing activity: Sep 7, 1983 → Jun 29, 2021 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4797260A | Antibody testing system | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4735905A | Specimen-gathering apparatus and method | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5082491A | Tantalum powder with improved capacitor anode processing characteristics | Chemistry; Metallurgy | 39 | Expired |
| US5137691A | Antibody testing system with removable air gap | Physics | 32 | Expired |
| US5084241A | Apparatus including a sample petter tube for obtaining reproducible liquid samples of small volume | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7812920B2 | Production method of substrate for liquid crystal display using image-capturing and reference position detection at corner of pixel present in TFT substrate | Physics | 26 | Active |
| US5132232A | Method and apparatus for preparation of liquids for examination | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4748042A | Method and apparatus for imprinting membranes with patterns of antibody | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5334538A | Gold sol immunoassay system and device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US9063376B2 | Exposure device of an alignment material film | Physics | 14 | Active |
| USD306645S | Pregnancy test kit | General | 13 | Expired |
| US5036569A | Filter/funnel assembly machine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8451426B2 | Exposure method and exposure apparatus | Physics | 10 | Active |
| US5035494A | Molded plastic article assembly means | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4968481A | Tantalum powder with improved capacitor anode processing characteristics | Chemistry; Metallurgy | 10 | Expired |
| US4607921A | Wet mount microscopic examination slide II | Physics | 9 | Expired |
| US5125278A | Volumetric pipette | Performing Operations; Transporting | 9 | Expired |
| US5419870A | Antibody testing system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US10533246B2 | Deposition mask, method for manufacturing the same, and touch panel | Physics | 6 | Active |
| US10920311B2 | Deposition mask, method for manufacturing the same, and method for repairing the same | Chemistry; Metallurgy | 5 | Active |
| US10195838B2 | Method for producing deposition mask | Performing Operations; Transporting | 4 | Active |
| US10221988B2 | Channeled tube inspection device | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9134537B2 | Laser lighting device | Physics | 4 | Active |
| US9012338B2 | Laser annealing method and laser annealing apparatus | Performing Operations; Transporting | 3 | Active |
| US10173240B2 | Mask and method for manufacturing the same | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.