Keisuke Sekiguchi
6Patents
3h-index
24Co-inventors
57Inventor score
Filing activity: Mar 30, 1977 → Mar 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4184688A | Tone arm assembly | Physics | 10 | Expired |
| US5257271A | Sample data transmission apparatus | Physics | 9 | Expired |
| US4124895A | Acoustic measuring system | Physics | 5 | Expired |
| US8997708B2 | Intake manifold | Emerging Cross-Sectional Technologies | 1 | Active |
| US7487119B2 | Physical distribution business management method, physical distribution business management system, and storage medium | Physics | 0 | Expired |
| US9732666B2 | Intake control valve and intake apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.