Kenichi Kugai
15Patents
6h-index
36Co-inventors
62Inventor score
Filing activity: Aug 7, 1989 → Jan 5, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6094558A | Transfer belt and electrophotographic apparatus | Physics | 35 | Expired |
| US6378972B1 | Drive method for an on-demand multi-nozzle ink jet head | Performing Operations; Transporting | 13 | Expired |
| US5434695A | Dynamic pressure bearing and rotary polygon mirror device with the bearing | Electricity | 11 | Expired |
| US5107628A | Method of fabricating article having aspheric figure and tool for use in carrying out the method | Performing Operations; Transporting | 8 | Expired |
| US6457222B1 | Method of manufacturing ink jet print head | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5903078A | Rotary polygon mirror motor | Electricity | 6 | Expired |
| US6264310A | Multi-nozzle ink jet head with dummy piezoelectric elements at both ends of a piezoelectric element array for controlling the flow of adhesive about the piezoelectric element array | Performing Operations; Transporting | 5 | Expired |
| US5118210A | Print hammers of printing head in dot line printer | Performing Operations; Transporting | 3 | Expired |
| US7744197B2 | Method for manufacturing inkjet recording head of inkjet recording device | Performing Operations; Transporting | 3 | Active |
| US7542652B2 | Multi-beam light source, method for manufacturing the same, light scanning unit using the same, and image forming apparatus using the same | Physics | 3 | Active |
| US7651203B2 | Inkjet recording device, ejecting device provided therein, and method of calibrating ejection characteristic for droplet | Performing Operations; Transporting | 2 | Active |
| US6682179B2 | Ink jet print head and method of production thereof | Performing Operations; Transporting | 1 | Expired |
| US6702432B2 | Configuration of inkjet head realizing uniform ink ejection performance | Performing Operations; Transporting | 1 | Expired |
| US6679589B2 | Ink jet print head and method of production thereof | Performing Operations; Transporting | 1 | Expired |
| US5228386A | Print hammer assembly for dot line printer | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.