Inventor · Tokyo, JP

Mitsuru Ushijima

13Patents
8h-index
14Co-inventors
69Inventor score

Filing activity: Feb 10, 1989 → Nov 19, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5393624A Method and apparatus for manufacturing a semiconductor device Physics 125 Expired
US4985722A Apparatus for coating a photo-resist film and/or developing it after being exposed Emerging Cross-Sectional Technologies 112 Expired
US5442416A Resist processing method Emerging Cross-Sectional Technologies 90 Expired
US5202716A Resist process system Electricity 81 Expired
US5002008A Coating apparatus and method for applying a liquid to a semiconductor wafer, including selecting a nozzle in a stand-by state Performing Operations; Transporting 67 Expired
US5177514A Apparatus for coating a photo-resist film and/or developing it after being exposed Emerging Cross-Sectional Technologies 60 Expired
US5339128A Resist processing method Emerging Cross-Sectional Technologies 54 Expired
US5089305A Coating apparatus and method for applying a liquid to a semiconductor wafer including selecting a nozzle on a stand by state Performing Operations; Transporting 47 Expired
US6378078B1 Semiconductor integrated circuit supervising an illicit address operation Physics 4 Expired
US7169283B2 Anodization device and anodization method Emerging Cross-Sectional Technologies 2 Expired
US7569124B2 Anodic oxidation apparatus Emerging Cross-Sectional Technologies 1 Active
US7118663B2 Anodic oxidizer, anodic oxidation method Electricity 0 Expired
US8574676B2 Substrate processing method Electricity 0 Active

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