Inventor · Tokyo, JP

Kazumi Matsumoto

22Patents
8h-index
43Co-inventors
75Inventor score

Filing activity: Apr 27, 1983 → Dec 27, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6980176B2 Three-dimensional image display apparatus and color reproducing method for three-dimensional image display Electricity 67 Expired
US5070041A Method of removing flash from a semiconductor leadframe using coated leadframe and solvent Emerging Cross-Sectional Technologies 40 Expired
US4561723A Electronic stereoscopic viewing device Human Necessities 33 Expired
US6166856A Self light-emitting retroreflective sheet and method for producing the same Physics 26 Expired
US8334933B2 Television operation method Electricity 14 Active
USD303684S Soccer game housing General 14 Expired
US6613455B1 Electroluminescent device and method for producing same Emerging Cross-Sectional Technologies 10 Expired
USD557228S1 Television receiver General 9 Expired
USD564987S1 Television receiver General 8 Expired
US9875400B2 Notification device, exercise analysis system, notification method, notification program, exercise support method, and exercise support device Physics 5 Active
US10032069B2 Exercise analysis apparatus, exercise analysis method, exercise analysis program, and exercise analysis system Physics 4 Active
US7579983B2 Terminal apparatus, control method for terminal apparatus, control program for terminal apparatus, and computer readable storage medium having stored therein control program for terminal apparatus Physics 3 Active
US6795016B2 Jig for heat treatment of work Mechanical Engineering; Lighting; Heating 2 Expired
US9075139B2 Satellite signal tracking method and receiver Physics 2 Active
US7649494B2 GPS receiver Physics 1 Active
US8134255B2 Noise cancellation circuit, analog signal processing circuit, and electronic instrument Electricity 1 Active
US8175136B2 Noise cancellation method, receiver circuit, and electronic instrument Electricity 1 Active
US10466655B1 Electronic timepiece and control method of electronic timepiece Physics 1 Active
US10740599B2 Notification device, exercise analysis system, notification method, notification program, exercise support method, and exercise support device Physics 1 Active
US8902162B2 Image display apparatus Physics 0 Active
US8456489B2 Method of displaying document with image Physics 0 Active
US8744240B2 Video distribution system, information providing device, and video information providing method for distributing video to a plurality of receiving terminals Electricity 0 Active

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