Kazuyuki Kubota
58Patents
10h-index
98Co-inventors
81Inventor score
Filing activity: Jun 9, 1987 → Jul 1, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5162857A | Sheet conveyer having a sheet aligner | Physics | 35 | Expired |
| US6146085A | Sheet accumulation processing device | Performing Operations; Transporting | 32 | Expired |
| US4814825A | Multiple speed sheet inverting and discharge | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4953846A | Apparatus for conveying a sheet obliquely | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5587869A | High-voltage capacitor manufacturing method and high-voltage capacitor | Electricity | 17 | Expired |
| US6042098A | Sheet post-processing apparatus | Performing Operations; Transporting | 17 | Expired |
| US6473292B1 | Monolithic ceramic electronic component | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6170821A | Sheet sorting device | Performing Operations; Transporting | 16 | Expired |
| US6357736B1 | Sheet post-handling device | Performing Operations; Transporting | 13 | Expired |
| US6790543B2 | Hard layer-coated tool | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5997239A | Sheet handling apparatus | Physics | 9 | Expired |
| US5957652A | Sheet handling apparatus | Performing Operations; Transporting | 9 | Expired |
| US6583981B2 | Ceramic condenser module | Electricity | 8 | Expired |
| US5632479A | Sorter | Performing Operations; Transporting | 8 | Expired |
| US7946565B2 | Bookbinding apparatus and image-forming system equipped with the same | Performing Operations; Transporting | 7 | Active |
| US11366498B2 | Portable information device having chassis rotatably connected by a hinge | Physics | 7 | Active |
| US8304098B2 | Hard-coated member, and its production method | Emerging Cross-Sectional Technologies | 6 | Active |
| USD403349S | Sheet handling apparatus | General | 6 | Expired |
| US7354640B2 | Hard coating and its production method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6574116B2 | Inverter capacitor module and inverter | Electricity | 4 | Expired |
| US7368182B2 | Hard coating and its formation method, and hard-coated tool | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9517652B2 | Sheet post-processing device and image forming device provided with the sheet post-processing device | Physics | 3 | Active |
| US7833798B2 | Method for analysis of albumin in sample solution | Physics | 3 | Active |
| US9391052B2 | Semiconductor device | Electricity | 2 | Active |
| US9352604B2 | Sheet processing device and image forming device provided with the sheet processing device | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.