Hitoshi Azuma
38Patents
9h-index
69Co-inventors
78Inventor score
Filing activity: Sep 27, 1977 → Oct 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5786665A | Plane-shaped lighting device and a display using such a device | Emerging Cross-Sectional Technologies | 145 | Expired |
| US6036328A | Plane-shaped lighting device and a display using such a device | Emerging Cross-Sectional Technologies | 60 | Expired |
| US8203261B2 | Display device | Electricity | 29 | Active |
| US4595118A | Air-breather device for oil casing | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4876921A | Differential gear unit with limited slip mechanism | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6415531B1 | Plane-shaped lighting device and a display using such a device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4819512A | Differential gear for a two wheel or four wheel drive vehicle | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US8310614B2 | Liquid crystal display device having a curved shape comprising positive and negative curvatures | Physics | 15 | Active |
| US4719817A | Locking differential with variable friction torque | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7665104B2 | Content transmission system | Physics | 9 | Active |
| US4813297A | Differential gear | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8997619B2 | Glass cutting machine, glass cutter, and glass cutting method | Emerging Cross-Sectional Technologies | 8 | Active |
| US6867841B2 | Method for manufacturing liquid crystal display panels | Physics | 7 | Expired |
| US8089605B2 | Liquid crystal display device | Physics | 7 | Active |
| US4273811A | Method of applying slip to interior surfaces of a closed tank to provide an enamel coating | Performing Operations; Transporting | 4 | Expired |
| US7932957B2 | Receiver apparatus and receiver system | Electricity | 4 | Active |
| US8233129B2 | Method of manufacturing liquid crystal display device including forming beveled sides of substrates forming liquid crystal panel | Physics | 4 | Active |
| US7903192B2 | Display device and method of manufacturing the same | Electricity | 2 | Active |
| US7497783B2 | Propeller shaft | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9458048B2 | Glass cutting machine, glass cutter, and glass cutting method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9779674B2 | Touch panel system | Physics | 1 | Active |
| US8058803B2 | Organic electroluminescence display device | Electricity | 0 | Active |
| US9104049B2 | Display device with a base material made of plastic | Physics | 0 | Active |
| US8866986B2 | Display device with support member having two lugs | Electricity | 0 | Active |
| US11674593B2 | Working vehicle | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.