Inventor · Tokyo, JP

Yuji Horie

35Patents
9h-index
24Co-inventors
75Inventor score

Filing activity: Apr 26, 1990 → Apr 23, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5014256A Photodisc apparatus with gain control of tracking servo loop Physics 23 Expired
US5048002A Photodisc apparatus with means for canceling offset of tracking servo loop Physics 22 Expired
US6533644B1 Method of texturing and agent therefor Emerging Cross-Sectional Technologies 19 Expired
US5568464A Semiconductor laser driving apparatus utilizing three current sources to control read and write light power Electricity 17 Expired
US7374473B2 Texturing slurry and texturing method by using same Chemistry; Metallurgy 16 Active
US6491572B1 Method of processing surface of glass substrate for magnetic disk and suspension with abrasive particles therefor Performing Operations; Transporting 16 Expired
US6280489A Polishing compositions Chemistry; Metallurgy 13 Expired
US5544136A Digital servo system for obtaining by calculation a control signal corresponding to a desired value on the basis of the change of a control signal and a controlled signal Physics 12 Expired
US6269420A Information recording/reproducing apparatus reducing disk access frequency to file management area and sharply accelerating record processing and reproduction processing Emerging Cross-Sectional Technologies 9 Expired
US5392269A Medium replaceable recording and reproducing apparatus in which full initialization is not needed depending on the inserted state of the medium Physics 7 Expired
US6755722B1 Method of chemical mechanical texturing Performing Operations; Transporting 7 Expired
US6126515A Liquid slurry containing polyhedral monocrystalline alumina Physics 6 Expired
US5473589A Information recording/reproducing apparatus capable of performing ready operation in response to external loading request Physics 6 Expired
US6974368B2 Method of producing magnetic hard disk substrate Physics 4 Expired
US7518633B2 Network system for identifying controlled device selected as operating target by control device on network, and identifying method of device as operating target on network system Electricity 3 Active
US7776793B2 System and method for polishing surface of tape-like metallic base material Performing Operations; Transporting 3 Active
US5355632A Apparatus for texture processing of magnetic disk Physics 3 Expired
US7255809B2 Polishing slurry for texturing Physics 2 Expired
US6287449A Method of electrolytic texturing and electrolytic liquid slurry Physics 2 Expired
US7811972B2 Method of polishing tape-shaped substrate and substrate for oxide superconductor Emerging Cross-Sectional Technologies 2 Active
US7134952B2 Polishing cloth Emerging Cross-Sectional Technologies 2 Expired
US7267601B2 Method of producing polishing cloth Emerging Cross-Sectional Technologies 2 Active
US6705927B2 Method of producing magnetic hard disk substrate with textured surface Performing Operations; Transporting 2 Expired
US7585341B2 Polishing material comprising diamond clusters Chemistry; Metallurgy 2 Active
US6306013A Method of producing polishing cloth for a texturing process Physics 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.