Osamu Yamanaka
25Patents
14h-index
53Co-inventors
84Inventor score
Filing activity: Dec 31, 1984 → Apr 8, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6072391A | Information indicator for vehicle | Physics | 248 | Expired |
| US6871986B2 | Interior illuminating apparatus for vehicle | Performing Operations; Transporting | 239 | Expired |
| US5919422A | Titanium dioxide photo-catalyzer | Chemistry; Metallurgy | 128 | Expired |
| US5949346A | Light-driven display device | Physics | 117 | Expired |
| US7029156B2 | Light emitting apparatus and display | Electricity | 108 | Expired |
| US6971758B2 | Illumination device | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5815072A | Vehicle display device | Physics | 48 | Expired |
| US6402354B1 | Indirect lighting system for vehicle interior | Performing Operations; Transporting | 39 | Expired |
| US5741058A | LED display device | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6402339B1 | Passenger-cabin lighting device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6447134B1 | Planar light emitting device | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6889456B2 | Illumination apparatus | Physics | 25 | Expired |
| US6419306B2 | Illuminating plate for car | Physics | 21 | Expired |
| US6841933B2 | Light-emitting device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5633289A | Process for molding an integral skin foam and a polyurethane material for molding the same | Chemistry; Metallurgy | 13 | Expired |
| US5476619A | Process for molding an integral skin foam using an evacuated mold cavity | Chemistry; Metallurgy | 10 | Expired |
| US5449698A | Method and apparatus for producing integral skin polyurethane foam | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6908220B2 | Vehicle lamp | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4797637A | PLL frequency synthesizer | Electricity | 6 | Expired |
| US6474153B1 | Predicting system and predicting method configured to predict inflow volume of rainwater | Physics | 6 | Expired |
| US6893134B2 | Planar light emitting device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6303027A | Apparatus for controlling quality of treated water | Chemistry; Metallurgy | 5 | Expired |
| US4658206A | Fault detector for communications equipment using exclusive or circuitry | Electricity | 3 | Expired |
| US10095246B2 | Leakage suppression apparatus, leakage suppression system, and leakage suppression program | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9782990B2 | Printer | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.