Junichi Kubota
17Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Jul 11, 1989 → Nov 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6967842B2 | Electronic device | Electricity | 28 | Expired |
| US5976481A | Polycrystal silicon rod and production process therefor | Chemistry; Metallurgy | 22 | Expired |
| US6009936A | Heat exchanger | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6414844B1 | Portable information processing apparatus | Physics | 6 | Expired |
| US5033857A | Method of transforming light-source color data and non-luminous object color data | Physics | 5 | Expired |
| US6381129B1 | Portable information processing apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6935675B2 | Retractable roof fixing apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10503108B2 | Power supply apparatus for outputting first and second voltages from one transformer and image forming apparatus including power supply apparatus | Electricity | 2 | Active |
| US7239811B2 | Optical-axis directional indicating apparatus for optical communication | Electricity | 1 | Expired |
| US7356261B2 | Optical wireless communications system | Electricity | 1 | Expired |
| US10359715B2 | Image forming apparatus | Physics | 1 | Active |
| US11195294B2 | Image measurement method, image measurement program, image measurement device, and object manufacture method | Physics | 0 | Active |
| US11158078B2 | Image measurement method, image measurement program, image measurement device, and object manufacture method | General | 0 | Revoked |
| US9160235B2 | Power supply apparatus and image forming apparatus | Electricity | 0 | Active |
| US11500311B2 | Image forming apparatus including techniques and mechanisms to suppress occurrence of an image defect caused by a transfer step | Physics | 0 | Active |
| US12423843B2 | Image processing device and machine tool | Physics | 0 | Active |
| US9851680B2 | Power supply device and image forming apparatus including power supply device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.