Patent assignee · CH · COMPANY

Asulab S.A.

310Patents
17Active
310Granted
44Portfolio score

Filing activity: Feb 24, 1981 → Feb 23, 2010 · 17 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5395504A Electrochemical measuring system with multizone sensors Emerging Cross-Sectional Technologies 621 Expired
US5502396A Measuring device with connection for a removable sensor Physics 559 Expired
US5378628A Sensor for measuring the amount of a component in solution Emerging Cross-Sectional Technologies 559 Expired
US5393903A Mono, bis or tris(substituted 2,2'-bipyridine) iron, ruthenium, osmium or vanadium complexes and their methods of preparation Electricity 490 Expired
US5407554A Electrochemical sensor with multiple zones on a disc and its application to the quantitative analysis of glucose Emerging Cross-Sectional Technologies 258 Expired
US7286063B2 Method of input of a security code by means of a touch screen for access to a function, an apparatus or a given location, and device for implementing the same Physics 227 Expired
US7031228B2 Timepiece with touch-type reading and control of time data Physics 192 Expired
US6967903B2 Control method for executing functions in a diary watch Physics 187 Expired
US6655831B1 Case for an instrument of small volume including a manually removable back cover Physics 181 Expired
US5410059A Transition metal complexes having 2,2'-bipyridine ligands substituted by at least one ammonium alkyl radical Electricity 181 Expired
US5608567A Variable transparency electro-optical device Physics 174 Expired
US6052339A Watch with touch reading and setting of time functions Physics 154 Expired
US5482570A Photovoltaic cell Emerging Cross-Sectional Technologies 136 Expired
US7016263B2 Device for data input into a portable object Physics 116 Expired
US5441827A Transparent regenerating photoelectrochemical cell Emerging Cross-Sectional Technologies 108 Expired
US5790477A Portable precision clock with additonal functions Physics 106 Expired
US5266013A Portable pump for the administration of a therapeutic Human Necessities 105 Expired
US5455808A Timepiece with a mobile display Physics 103 Expired
US7034237B2 Portable electronic instrument including at least one control member arranged for also transmitting electric signals Electricity 94 Expired
US5683832A Hydrophobic liquid salts, the preparation thereof and their appliction in electrochemistry Emerging Cross-Sectional Technologies 79 Expired
US5559761A Watch with time information VIA silent vibration Physics 76 Expired
US5984485A Uniform illumination device for the dial of a display device Physics 70 Expired
US6373439B1 Structure forming an antenna also constituting a shielded housing able, in particular, to accommodate all or part of the electronic circuit of a portable unit of small volume Electricity 68 Expired
US6882596B2 Manual control device for executing functions of an electronic watch Physics 67 Expired
US5797693A Apparatus intended for dispensing successive zones of a disposable strip Emerging Cross-Sectional Technologies 67 Expired

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