Inventor · Tokyo, JP

Tomohiko Ogata

10Patents
3h-index
20Co-inventors
60Inventor score

Filing activity: Mar 2, 1990 → Oct 22, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6159322A Photosensitive ceramic green sheet, ceramic package, and process for producing the same Emerging Cross-Sectional Technologies 17 Expired
US5030597A Process for producing ceramic composites Chemistry; Metallurgy 12 Expired
US5957398A Composite ceramic materials as a pulverization medium and for working parts of a pulverizer Emerging Cross-Sectional Technologies 8 Expired
US11002687B2 Defect inspection method and defect inspection device Electricity 1 Active
US11193895B2 Semiconductor substrate for evaluation and method using same to evaluate defect detection sensitivity of inspection device Physics 1 Active
US11515121B2 Electron beam device Electricity 0 Active
US11342211B2 Wafer inspection apparatus and wafer inspection method Physics 0 Active
US10923315B2 Charged particle beam apparatus, and method of adjusting charged particle beam apparatus Electricity 0 Active
US11107655B2 Charged particle beam device Electricity 0 Active
US10522320B2 Charged particle beam device and method for adjusting charged particle beam device Electricity 0 Active

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