Biostar, Inc.
🏢 View company profile →28Patents
0Active
28Granted
35Portfolio score
Filing activity: Jul 31, 1992 → Oct 18, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5418136A | Devices for detection of an analyte based upon light interference | Emerging Cross-Sectional Technologies | 185 | Expired |
| US5468606A | Devices for detection of an analyte based upon light interference | Emerging Cross-Sectional Technologies | 183 | Expired |
| US5631171A | Method and instrument for detection of change of thickness or refractive index for a thin film substrate | Emerging Cross-Sectional Technologies | 180 | Expired |
| US5955377A | Methods and kits for the amplification of thin film based assays | Emerging Cross-Sectional Technologies | 154 | Expired |
| US5552272A | Detection of an analyte by fluorescence using a thin film optical device | Emerging Cross-Sectional Technologies | 131 | Expired |
| US5629214A | Methods for forming an optical device for detecting the presence or amount of an analyte | Emerging Cross-Sectional Technologies | 114 | Expired |
| US5639671A | Methods for optimizing of an optical assay device | Emerging Cross-Sectional Technologies | 110 | Expired |
| US5482830A | Devices and methods for detection of an analyte based upon light interference | Emerging Cross-Sectional Technologies | 107 | Expired |
| US5541057A | Methods for detection of an analyte | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5494829A | Devices and methods for detection of an analyte based upon light interference | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6060237A | Devices and methods for optical detection of nucleic acid hybridization | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5550063A | Methods for production of an optical assay device | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5869272A | Methods for detection of gram negative bacteria | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5922583A | Methods for production of recombinant plasmids | Chemistry; Metallurgy | 49 | Expired |
| US6287783A | Optical assay device and method | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6783938B2 | Devices for optical detection of nucleic acid hybridization | Emerging Cross-Sectional Technologies | 43 | Expired |
| USD431867S | Immunoassay test device | General | 37 | Expired |
| US6090572A | Filtration and extraction device and method of using the same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6207445A | Filtration and extraction device and method of using the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5494801A | Microorganism antigen extraction methods | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6037321A | Fusion proteins comprising vasoactive intestinal peptide or PACAP | Chemistry; Metallurgy | 17 | Expired |
| US6579688B2 | Stabilizing diluent for polypeptides and antigens | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5521084A | Bovine heat shock promoter and uses thereof | Chemistry; Metallurgy | 6 | Expired |
| US5733745A | Bovine heat shock promoter and uses thereof | Chemistry; Metallurgy | 3 | Expired |
| US6015795A | Bovine viral diarrhea virus II vaccine and method of immunization | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.