Inventor · Okayama, JP

Kenji Sakane

37Patents
11h-index
14Co-inventors
68Inventor score

Filing activity: Aug 20, 2004 → Sep 29, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7138756B2 Phosphor for electron beam excitation and color display device using the same Chemistry; Metallurgy 57 Expired
US7252788B2 Phosphor, light source and LED Chemistry; Metallurgy 44 Expired
US7345418B2 Phosphor mixture and light emitting device using the same Emerging Cross-Sectional Technologies 35 Expired
US7273568B2 Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED Chemistry; Metallurgy 31 Expired
US7432647B2 Light source having phosphor including divalent trivalent and tetravalent elements Emerging Cross-Sectional Technologies 29 Expired
US7476337B2 Phosphor and manufacturing method for the same, and light source Chemistry; Metallurgy 29 Expired
US7476338B2 Phosphor and manufacturing method for the same, and light source Emerging Cross-Sectional Technologies 22 Expired
US7887718B2 Phosphor and manufacturing method therefore, and light emission device using the phosphor Emerging Cross-Sectional Technologies 17 Active
US7524437B2 Phosphor and manufacturing method of the same, and light emitting device using the phosphor Electricity 15 Active
US7443094B2 Phosphor and manufacturing method of the same, and light emitting device using the phosphor Chemistry; Metallurgy 14 Active
US8062549B2 Phosphor and manufacturing method therefore, and light emission device using the phosphor Electricity 11 Active
US7445730B2 Phosphor and manufacturing method of the same, and light emitting device using the phosphor Electricity 11 Active
US7514860B2 Phosphor mixture and light emitting device Emerging Cross-Sectional Technologies 11 Expired
US10622127B2 Iron-based oxide magnetic particle powder, method for producing same, coating material, and magnetic recording medium Physics 9 Active
US7477009B2 Phosphor mixture and light emitting device Electricity 8 Active
US7291289B2 Phosphor and production method of the same and light source and LED using the phosphor Electricity 7 Expired
US10919778B2 Method for producing iron-based oxide magnetic particle powder Chemistry; Metallurgy 7 Active
US8048338B2 Phosphor, phosphor sheet, and manufacturing method therefore, and light emission device using the phosphor Electricity 5 Active
US7476335B2 Phosphor and manufacturing method therefore, and light source using the phosphor Chemistry; Metallurgy 5 Expired
US8372309B2 Phosphor and manufacturing method therefore, and light emission device using the phosphor Emerging Cross-Sectional Technologies 5 Active
US8303847B2 Phosphor, manufacturing method of phosphor sheet and phosphor, and light emitting device using the phosphor Chemistry; Metallurgy 3 Active
US8475682B2 Phosphor and manufacturing method therefore, and light emission device using the phosphor Electricity 2 Active
US10504548B2 Iron-based oxide magnetic particle powder and method for producing iron-based oxide magnetic particle powder Emerging Cross-Sectional Technologies 2 Active
USRE45502E1 Phosphor and manufacturing method therefore, and light source using the phosphor General 1 Active
US8066910B2 Phosphor and manufacturing method for the same, and light source Chemistry; Metallurgy 1 Active

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