Hitoshi Ebata
10Patents
6h-index
6Co-inventors
55Inventor score
Filing activity: Jun 22, 1977 → Oct 3, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4770121A | Semiconductor vapor phase growing apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4430959A | Semiconductor vapor phase growing apparatus | Chemistry; Metallurgy | 23 | Expired |
| US4982693A | Semiconductor vapor phase growing apparatus | Electricity | 11 | Expired |
| US5244500A | Process control system of semiconductor vapor phase growth apparatus | Chemistry; Metallurgy | 9 | Expired |
| US4772485A | Process control system of semiconductor vapor phase growing apparatus | Chemistry; Metallurgy | 7 | Expired |
| US4305128A | Method and apparatus for controlling orientation of tools | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4807561A | Semiconductor vapor phase growth apparatus | Chemistry; Metallurgy | 5 | Expired |
| US4288851A | Method of determining position of openings adapted to receive fret saw blade of numerically controlled fret saw machines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4116101A | Automatic fret sawing machines | Emerging Cross-Sectional Technologies | 3 | Expired |
| USRE33326E | Semiconductor vapor phase growing apparatus | General | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.