Ryoei Oka
7Patents
3h-index
15Co-inventors
54Inventor score
Filing activity: Nov 5, 1997 → Mar 19, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6028976A | Split type ribbon optical fiber core cable | Physics | 20 | Expired |
| US5945173A | Method of making optical fiber ribbon | Physics | 9 | Expired |
| US5904883A | Method for producing optical fiber ribbon | Physics | 6 | Expired |
| US6905646B1 | Methods of producing synthetic resin wire | Performing Operations; Transporting | 3 | Expired |
| US11029477B2 | Optical fiber cable | Physics | 3 | Active |
| US6471892B1 | Method of producing tape type optical fiber core wire | Physics | 0 | Expired |
| US11029478B2 | Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.