Inventor · Osaka, JP

Hidefumi Otsuka

5Patents
3h-index
8Co-inventors
46Inventor score

Filing activity: Jun 25, 1990 → Aug 6, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6175529A Semiconductor integrated circuit device and method for manufacturing the same Physics 15 Expired
US6295243A Semiconductor device Physics 6 Expired
US6654299B2 Semiconductor device Physics 3 Expired
US6556491B2 Semiconductor storage device and method of testing the same Physics 2 Expired
US5021810A Printing machine Physics 0 Expired

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