Koji Umeno
7Patents
4h-index
21Co-inventors
53Inventor score
Filing activity: Nov 7, 1986 → Feb 28, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5790139A | Ink jet printing apparatus which utilizes different voltages applied to different groups of ejecting members in accordance with image data | Electricity | 23 | Expired |
| US4891274A | Hot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistance | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5640251A | Image reading device | Electricity | 10 | Expired |
| US7427420B2 | Process for producing confectionery highly stable to heat | Human Necessities | 9 | Expired |
| US5766659A | Oily compostion and frozen food | Human Necessities | 4 | Expired |
| US6902752B1 | Coatings for bakery/confectionery use and process for producing the same | Human Necessities | 2 | Expired |
| US6537602B1 | Chocolate compositions and utilization thereof | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.