NAGAOKA CO., LTD.
40Patents
5Active
40Granted
40Portfolio score
Filing activity: Dec 22, 1976 → Aug 10, 2012 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7033747B2 | Multi-parameter assays including analysis discs and methods relating thereto | Physics | 44 | Expired |
| US7157049B2 | Optical bio-discs and fluidic circuits for analysis of cells and methods relating thereto | Physics | 43 | Expired |
| US6937323B2 | Interactive system for analyzing biological samples and processing related information and the use thereof | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4128909A | Roller for cleaning phonograph records | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7387898B1 | Apparatus and method for conducting assays | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7014815B1 | Trackable optical discs with concurrently readable nonoperational features | Performing Operations; Transporting | 33 | Expired |
| US6814964B2 | Supramolecules containing binding and therapeutic molecules bound to hybridized nucleic acids | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7026131B2 | Methods and apparatus for blood typing with optical bio-discs | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4639813A | Cleaning disket with internal paths for cleaning liquid | Physics | 23 | Expired |
| US4628388A | Head cleaning apparatus | Physics | 22 | Expired |
| US7083920B2 | Surface assembly for immobilizing DNA capture probes in genetic assays using enzymatic reactions to generate signal in optical bio-discs and methods relating thereto | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7087203B2 | Methods and apparatus for blood typing with optical bio-disc | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7061594B2 | Disc drive system and methods for use with bio-discs | Physics | 19 | Expired |
| USD288973S | Record cleaner | General | 18 | Expired |
| US7200088B2 | System and method of detecting investigational features related to a sample | Physics | 16 | Expired |
| US6162458A | Patch for beautification | Human Necessities | 16 | Expired |
| US7221632B2 | Optical disc system and related detecting methods for analysis of microscopic structures | Physics | 14 | Expired |
| US4569098A | Disc-cleaning device | Physics | 14 | Expired |
| US6992769B2 | Apparatus and method for carrying out analysis of samples using semi-reflective beam radiation inspection | Physics | 13 | Expired |
| US6760298B2 | Multiple data layer optical discs for detecting analytes | Performing Operations; Transporting | 12 | Expired |
| US7079468B2 | Optical discs for measuring analytes | Performing Operations; Transporting | 11 | Expired |
| US4514908A | Level with two guide frames and ball in each | Physics | 10 | Expired |
| US7110094B2 | Apparatus and method for carrying out analysis of samples using radiation detector output ratios | Physics | 10 | Expired |
| US7094609B2 | Spatially addressable combinatorial chemical arrays in encoded optical disk format | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7110345B2 | Multiple data layer optical discs for detecting analytes | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.