Hidehiko Yamaguchi
31Patents
6h-index
36Co-inventors
69Inventor score
Filing activity: Jan 23, 1987 → Dec 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6441807B1 | Display system | Physics | 97 | Expired |
| US4850930A | Animated toy | Human Necessities | 33 | Expired |
| US4878873A | Doll toy | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7068339B2 | Liquid crystal display | Physics | 10 | Expired |
| US4813905A | Illumination mechanism for a toy | Human Necessities | 7 | Expired |
| US7535538B2 | LCD panel having a broad-gap region having a dent within a non-display region of the panel and an electrical transfer section and a sealing portion both at least partially within the dent for first and second substrates forming the panel | Physics | 6 | Expired |
| US6974376B2 | Air conditioner for vehicle with noise-reduction means | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7403723B2 | Image forming apparatus with measuring technique | Physics | 3 | Active |
| US10947403B2 | Dispersion and inkjet ink composition, light conversion layer, and liquid crystal display element using the dispersion | Physics | 3 | Active |
| US9857750B1 | Transport monitoring control device and image forming apparatus | Performing Operations; Transporting | 3 | Active |
| US7224380B2 | Light-emitting device driver and image forming apparatus | Physics | 3 | Expired |
| US7483110B2 | Liquid crystal display device | Physics | 2 | Expired |
| US7542689B2 | Charging device, image forming apparatus, computer readable medium storing charging control program and method for charging control | Physics | 2 | Active |
| US10162296B2 | Transport monitoring control device and image forming apparatus | Performing Operations; Transporting | 2 | Active |
| US7831157B2 | Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection | Physics | 2 | Active |
| US7782437B2 | LCD panel having a broad-gap region including a dent within sealed substrates at a non-display region which includes an electrical transfer section and light transmitting portion spaced from a corner of the two substrates within the dent | Physics | 2 | Active |
| US11049911B2 | Light-emitting device and image display apparatus including the same | Electricity | 1 | Active |
| US7693433B2 | Image forming apparatus and layer thickness calculating method | Physics | 1 | Active |
| US8159640B2 | Liquid crystal display device | Physics | 1 | Active |
| US7426351B2 | Image forming apparatus and layer thickness calculating method | Physics | 1 | Active |
| US8577262B2 | Charging device, cartridge for image forming apparatus, and image forming apparatus | Physics | 1 | Active |
| US7948586B2 | Liquid crystal display device and manufacturing method thereof | Physics | 1 | Active |
| US8432520B2 | Liquid crystal display device | Physics | 0 | Active |
| US8174474B2 | Liquid crystal display apparatus and method for driving the same | Physics | 0 | Active |
| US9658589B2 | Transporting device, fixing device, and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.