Hidefumi Tochigi
2Patents
2h-index
8Co-inventors
33Inventor score
Filing activity: Oct 5, 1998 → Mar 28, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7744686B2 | Frost-preventive composition | Chemistry; Metallurgy | 5 | Active |
| US6127325A | Viscosity index improver, process for preparing the same and lubricating oil composition | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.