Inventor · Tokyo, JP

Shuzo Fujimura

42Patents
21h-index
36Co-inventors
85Inventor score

Filing activity: Sep 15, 1980 → Sep 21, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5961775A Apparatus for removing organic resist from semiconductor Physics 463 Expired
US5478403A Process and apparatus for ashing treatment Electricity 229 Expired
US4609428A Method and apparatus for microwave plasma anisotropic dry etching Electricity 95 Expired
US4512868A Microwave plasma processing apparatus Electricity 58 Expired
US4718976A Process and apparatus for plasma treatment Chemistry; Metallurgy 52 Expired
US4983254A Processing for stripping organic material Physics 46 Expired
US5057187A Ashing method for removing an organic film on a substance of a semiconductor device under fabrication Physics 45 Expired
US4961820A Ashing method for removing an organic film on a substance of a semiconductor device under fabrication Physics 43 Expired
US5403436A Plasma treating method using hydrogen gas Electricity 43 Expired
US5773201A Method of stripping a resist mask Physics 38 Expired
US5024748A Microwave plasma processing apparatus Emerging Cross-Sectional Technologies 36 Expired
US4393807A Spinner Physics 36 Expired
US4980022A Method of removing a layer of organic matter Physics 32 Expired
US4987284A Downstream microwave plasma processing apparatus having an improved coupling structure between microwave plasma Electricity 32 Expired
US5832177A Method for controlling apparatus for supplying steam for ashing process Chemistry; Metallurgy 30 Expired
US4861424A Ashing process of a resist layer formed on a substrate under fabrication to a semiconductor device Physics 30 Expired
US5397432A Method for producing semiconductor integrated circuits and apparatus used in such method Electricity 29 Expired
US4938839A Method of removing photoresist on a semiconductor wafer Physics 28 Expired
US5773316A Method and device for measuring physical quantity, method for fabricating semiconductor device, and method and device for measuring wavelength Electricity 26 Expired
US4423127A Method of manufacturing a semiconductor device Electricity 24 Expired
US5364519A Microwave plasma processing process and apparatus Electricity 22 Expired
US5885361A Cleaning of hydrogen plasma down-stream apparatus Performing Operations; Transporting 20 Expired
US5595916A Silicon oxide film evaluation method Electricity 19 Expired
US6007671A Method for hydrogen plasma down-flow processing and apparatus thereof Electricity 16 Expired
US6063300A Method of manufacturing semiconductor device including light etching Electricity 16 Expired

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