Seiichiro Otsuka
4Patents
4h-index
10Co-inventors
47Inventor score
Filing activity: Aug 10, 1988 → Feb 3, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4916955A | Crystal ingot lifting load measuring device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5879448A | Crystal pulling methods and apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5910216A | Crystal holding apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6113686A | Single crystal growing method and apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.