Inventor · Yokkaichi, JP

Haruo Okuda

12Patents
8h-index
13Co-inventors
69Inventor score

Filing activity: Nov 16, 1981 → Dec 12, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4880703A Acicular electroconductive titanium oxide and process for producing same Emerging Cross-Sectional Technologies 34 Expired
US5049309A Titania sol Chemistry; Metallurgy 28 Expired
US5849073A Pigment for sensing gas leakage and process for producing the same Chemistry; Metallurgy 17 Expired
US4405376A Titanium dioxide pigment and process for producing same Chemistry; Metallurgy 15 Expired
US7481561B2 Vehicle lighting device Mechanical Engineering; Lighting; Heating 15 Active
US5714260A Ultrafine iron-containing rutile titanium oxide and process for producing the same Emerging Cross-Sectional Technologies 13 Expired
US5320782A Acicular or platy titanium suboxides and process for producing same Chemistry; Metallurgy 13 Expired
US4718139A Automotive wiper device with adjustable wiper blade force Performing Operations; Transporting 12 Expired
US5837050A Ultrafine iron-containing rutile titanium oxide and process for producing the same Emerging Cross-Sectional Technologies 8 Expired
US5575957A Acicular electroconductive tin oxide fine particles and process for producing same Emerging Cross-Sectional Technologies 7 Expired
US5705098A Acicular electroconductive tin oxide fine particles and process for producing same Emerging Cross-Sectional Technologies 6 Expired
US4777695A Windshield wiper with means for adjusting force with which wiper blade is pressed against windshield Performing Operations; Transporting 5 Expired

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