Hiroshi Ohtsuna
3Patents
2h-index
2Co-inventors
34Inventor score
Filing activity: Feb 28, 1991 → Sep 24, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5138179A | Method of and device for diameter measurement used in automatically controlled crystal growth | Physics | 21 | Expired |
| US5183528A | Method of automatic control of growing neck portion of a single crystal by the CZ method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US8349074B2 | Method for detecting diameter of single crystal, single-crystal manufacturing method by using the same and single-crystal manufacturing apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.