Naoki Okada
8Patents
3h-index
17Co-inventors
54Inventor score
Filing activity: Aug 28, 1979 → Oct 14, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5578361A | Water-repellent composite grains, method for producing same, and water-repellent article using same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5219811A | Powder composition for sintering into modified barium titanate semiconductive ceramic | Electricity | 20 | Expired |
| US4960551A | Method of producing modified lead barium titanate ceramic useful as PTC thermistor | Electricity | 8 | Expired |
| US4431610A | Method of recovering uranium from wet process phosphoric acid | Chemistry; Metallurgy | 1 | Expired |
| US4329326A | Process for preparing crystalline ammonium dihydrogen phosphate | Chemistry; Metallurgy | 1 | Expired |
| US4269814A | Process for preparing crystalline ammonium dihydrogen phosphate | Chemistry; Metallurgy | 1 | Expired |
| US9290440B2 | Bicyclic compound | Chemistry; Metallurgy | 0 | Active |
| US9714213B2 | 4-aminomethylbenzoic acid derivative | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.