Inventor · Yokohama, JP

Kenzou Tatsumi

7Patents
7h-index
18Co-inventors
49Inventor score

Filing activity: Nov 7, 1995 → Apr 12, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5557382A Toner replenishing device for a developing device Emerging Cross-Sectional Technologies 81 Expired
US6085062A Electrophotographic image forming apparatus Physics 53 Expired
US6055388A Image forming apparatus and method for obtaining appropriate toner density Physics 50 Expired
US6006050A Image forming method and apparatus for controlling amount of supplied toner or agitating time Physics 47 Expired
US6160969A Image forming apparatus with a voltage applying unit for image transfer Physics 32 Expired
US5678125A Image forming apparatus Physics 28 Expired
US5815767A Image forming apparatus Physics 25 Expired

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