Kei Kikuchi
9Patents
3h-index
14Co-inventors
54Inventor score
Filing activity: Jun 30, 1994 → Nov 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5821402A | Thin film deposition method and gas sensor made by the method | Chemistry; Metallurgy | 17 | Expired |
| US5453306A | Process for depositing oxide film on metallic substrate by heat plasma flash evaporation method | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6800417B2 | Lithographic printing plate precursor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8203787B2 | Optical device, two-plate unit, imaging instrument, and endoscope equipped with optical device | Physics | 3 | Active |
| US7298550B2 | Dichroic mirror, fluorescence filter set, and fluoroscopy apparatus | Physics | 2 | Expired |
| US11389048B2 | Endoscopic image observation support system | Human Necessities | 0 | Active |
| US11455509B2 | Cleaning management apparatus and cleaning management method | Human Necessities | 0 | Active |
| US7252922B2 | Image recording material | Performing Operations; Transporting | 0 | Expired |
| US7014985B2 | Presensitized plate | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.