Patent assignee · JP · COMPANY

Precision System Science Co., Ltd.

27Patents
2Active
27Granted
32Portfolio score

Filing activity: Jun 5, 1995 → Aug 8, 2008 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6509193B1 Method and apparatus for controlling magnetic particles by pipetting machine Emerging Cross-Sectional Technologies 256 Expired
US6143250A Multi-vessel container for testing fluids Physics 191 Expired
US6602474B1 Multi-vessel container for testing fluids Physics 158 Expired
US5702950A Magnetic material attracting/releasing control method making use of a pipette device and various types of analyzer using the method Emerging Cross-Sectional Technologies 114 Expired
US5895631A Liquid processing method making use of pipette device and apparatus for same Physics 80 Expired
US6455325B1 Liquid processing method making use of pipette device and apparatus for same Physics 60 Expired
USD414562S Pipette tip General 54 Expired
US5919706A Method for sucking/determining liquid and pipetting device driven and controlled according to method Emerging Cross-Sectional Technologies 44 Expired
US6100079A Method for treating biopolymers, microorganisms or materials by using more than one type of magnetic particles Emerging Cross-Sectional Technologies 42 Expired
US6691748B1 Container transfer and processing system Emerging Cross-Sectional Technologies 37 Expired
US6805840B1 Apparatus for integrated process of magnetic particles and method of controlling the same Emerging Cross-Sectional Technologies 34 Expired
US6100094A Method for sucking/determining liquid and pipetting device driven and controlled according to method Emerging Cross-Sectional Technologies 33 Expired
US7071006B2 Carrier holding micro-substances, system suspending such carriers apparatus for manipulating such carriers and method of controlling positions of such carriers Emerging Cross-Sectional Technologies 27 Expired
US5682232A Microplate light-obstruction device and light-emission measuring apparatus Physics 23 Expired
US6337053B1 Multi-vessel container for testing fluids Physics 22 Expired
US6133037A Magnetic material attracting/releasing control method making use of a pipette device and various types of analyzer using the method Emerging Cross-Sectional Technologies 17 Expired
US6096554A Magnetic material attracting/releasing control method making use of a pipette device and various types of analyzer using the method Emerging Cross-Sectional Technologies 14 Expired
US6231814A Magnetic material attracting/releasing control method making use of a pipette device and various types of analyzer using the method Emerging Cross-Sectional Technologies 14 Expired
US7283229B2 Small object identifying device and its identifying method Physics 13 Expired
US7426027B2 Small object identifying device and its identifying method Physics 11 Active
US6331277A Magnetic material attracting/releasing pipette device and analyzer using pipette Emerging Cross-Sectional Technologies 9 Expired
US6123903A Chemiluminescence measuring apparatus Physics 9 Expired
US6723237B1 Concentration device using magnetic particles and method therefor Emerging Cross-Sectional Technologies 5 Expired
US6998055B2 Concentration device using magnetic particles and method therefor Emerging Cross-Sectional Technologies 3 Expired
US7724364B2 Small object identifying device and its identifying method Physics 1 Active

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