Hiroshi Tachi
6Patents
5h-index
17Co-inventors
56Inventor score
Filing activity: Dec 8, 1989 → Jan 12, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5067007A | Semiconductor device having leads for mounting to a surface of a printed circuit board | Emerging Cross-Sectional Technologies | 244 | Expired |
| US4943843A | Semiconductor device | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5234866A | Semiconductor device and process for producing the same, and lead frame used in said process | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5126821A | Semiconductor device having inner leads extending over a surface of a semiconductor pellet | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7175351B2 | Tapered roller bearing | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7320550B2 | Tapered roller bearing | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.