Toshiya Tanaka
46Patents
10h-index
56Co-inventors
78Inventor score
Filing activity: Apr 15, 1975 → Jun 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD621971S1 | Light emitting diode lamp | General | 34 | Expired |
| US6276994A | Plastic lens substrate and apparatus for and method of producing the same | Performing Operations; Transporting | 32 | Expired |
| USD621970S1 | Light emitting diode lamp | General | 19 | Expired |
| US8613529B2 | Lighting fixture | Emerging Cross-Sectional Technologies | 19 | Active |
| US5828170A | Fluorescent lamp unit and lighting apparatus having the fluorescent lamp unit | Electricity | 19 | Expired |
| US4000110A | Method of producing a ceramic article by injection molding | Chemistry; Metallurgy | 16 | Expired |
| USD639497S1 | Lens for light emitting diode | General | 15 | Expired |
| US6437502B1 | Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency and power requirements | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6252357A | Self-ballasted fluorescent lamp and lighting fixture | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8294356B2 | Light-emitting element lamp and lighting equipment | Emerging Cross-Sectional Technologies | 12 | Active |
| US7067981B2 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8439338B2 | Rotary table device provided with cooling structure and rotary bearing provided with cooling structure | Emerging Cross-Sectional Technologies | 8 | Active |
| US8384275B2 | Light emitting element lamp and lighting equipment | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6781315B2 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8272286B2 | Linear actuator with dustproof mechanism | Emerging Cross-Sectional Technologies | 5 | Active |
| US5521010A | Polyethylene for an insulation layer of a power cable and a crosslinked polyethylene insulated power cable using the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8430535B2 | Socket device, lamp device and lighting device | Emerging Cross-Sectional Technologies | 5 | Active |
| US9273838B2 | Light-emitting module and lighting apparatus | Electricity | 4 | Active |
| USD671232S1 | Light emitting diode lamp | General | 4 | Active |
| US8650978B2 | Linear actuator provided with dust-proof mechanism | Emerging Cross-Sectional Technologies | 2 | Active |
| US7042158B2 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11219109B2 | Vehicle front lighting apparatus and disconnection detection method | Emerging Cross-Sectional Technologies | 1 | Active |
| US9647441B2 | Terminal box | Emerging Cross-Sectional Technologies | 1 | Active |
| US8316776B2 | Rotary bearing, rotary table device and table diameter determining method | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6956327B2 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.