Seiji Kado
10Patents
5h-index
20Co-inventors
66Inventor score
Filing activity: Jun 12, 1990 → Jan 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6239753A | Transmitter-and-receiver device | Electricity | 35 | Expired |
| US5812153A | Ink jet printing apparatus capable of simultaneously printing an image on both sides of printing sheet | Performing Operations; Transporting | 28 | Expired |
| US5506295A | Ink | Chemistry; Metallurgy | 11 | Expired |
| US5273853A | Black photoconductive toner having sensitivity to light in the wavelength range of semiconductor lasers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5615877A | Sheet transporting device for use in an image forming apparatus | Physics | 5 | Expired |
| US7026993B2 | Planar antenna and array antenna | Electricity | 4 | Expired |
| US10454164B2 | Antenna device | Electricity | 3 | Active |
| US6205314A | Developing roller with a coating layer, developer restricting mechanism and developing device incorporating same | Physics | 1 | Expired |
| US10686423B2 | Phase-shifting circuit and antenna device | Electricity | 0 | Active |
| US10439296B2 | Antenna device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.