Patent assignee · JP · GOVERNMENT

The Agency of Industrial Science and Technology

1,064Patents
0Active
1,064Granted
47Portfolio score

Filing activity: May 8, 1968 → May 6, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US4470414A Laser surgical knife Human Necessities 1,198 Expired
US5376251A Carbon micro-sensor electrode and method for preparing it Emerging Cross-Sectional Technologies 352 Expired
US5380422A Micro-electrode and method for preparing it Physics 321 Expired
US5281319A Carbon micro-sensor electrode and method for preparing it Emerging Cross-Sectional Technologies 313 Expired
US4643950A Semiconductor device Electricity 269 Expired
US5028597A Antithrombogenic materials Emerging Cross-Sectional Technologies 260 Expired
US4768513A Method and device for measuring and processing light Physics 235 Expired
US4834200A Method and apparatus for dynamic walking control of robot Performing Operations; Transporting 182 Expired
US4570227A Portable map display apparatus Physics 181 Expired
US4754760A Ultrasonic pulse temperature determination method and apparatus Physics 146 Expired
US5208431A Method for producing object by laser spraying and apparatus for conducting the method Performing Operations; Transporting 140 Expired
US4508265A Method for spray combination of liquids and apparatus therefor Performing Operations; Transporting 127 Expired
US6024915A Coated metal particles, a metal-base sinter and a process for producing same Emerging Cross-Sectional Technologies 120 Expired
US5443503A Artificial heart pump Human Necessities 114 Expired
US4383767A Method for blending by combining fine particles Performing Operations; Transporting 111 Expired
US5430322A Thermoelectric element sheet in which thermoelectric semiconductors are mounted between films Emerging Cross-Sectional Technologies 103 Expired
US4491522A Anaerobic digestion process for organic wastes Emerging Cross-Sectional Technologies 102 Expired
US6055859A Non-contact micromanipulation method and apparatus Performing Operations; Transporting 102 Expired
US5536485A Diamond sinter, high-pressure phase boron nitride sinter, and processes for producing those sinters Performing Operations; Transporting 101 Expired
US5447894A Sintered ceramic article formed mainly of alumina Chemistry; Metallurgy 101 Expired
US5233211A Semiconductor device for driving a light valve Emerging Cross-Sectional Technologies 100 Expired
US4278142A Automatic guidance system for vehicles Physics 98 Expired
US5380692A Catalyst for catalytic reduction of nitrogen oxide Emerging Cross-Sectional Technologies 94 Expired
US5503010A Directional atomic force microscope and method of observing a sample with the microscope Emerging Cross-Sectional Technologies 91 Expired
US5003977A Device for analyzing fluorescent light signals Physics 87 Expired

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