Makoto Sumitani
5Patents
4h-index
10Co-inventors
50Inventor score
Filing activity: May 27, 1992 → Aug 28, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5278853A | Optical isolator | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6703245B2 | Oxygen detecting composition | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5446392A | Submarine equipment and fault locating method for a submarine communication system | Electricity | 7 | Expired |
| US7526175B2 | Feedthrough of submarine repeater and submarine repeater | Physics | 5 | Active |
| USH1787H | Regeneration method of working solution | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.