Inventor · Shirakawa, JP

Tsutomu Takaku

6Patents
5h-index
10Co-inventors
49Inventor score

Filing activity: Jul 29, 1996 → Mar 5, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5797789A Polishing system Performing Operations; Transporting 52 Expired
US5733177A Process of polishing wafers Performing Operations; Transporting 27 Expired
US6306021A Polishing pad, polishing method, and polishing machine for mirror-polishing semiconductor wafers Performing Operations; Transporting 16 Expired
US6190238A Polishing pad, method and apparatus for treating polishing pad and polishing method Performing Operations; Transporting 12 Expired
US6060396A Polishing agent used for polishing semiconductor silicon wafers and polishing method using the same Electricity 7 Expired
US5934981A Method for polishing thin plate and apparatus for polishing Performing Operations; Transporting 4 Expired

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