Michiya Ohashi
6Patents
4h-index
2Co-inventors
43Inventor score
Filing activity: Aug 31, 1988 → Dec 10, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4858079A | Light projecting toy musical box | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5820385A | Magnetic display apparatus | Performing Operations; Transporting | 40 | Expired |
| US5674104A | Magnetic pen | Performing Operations; Transporting | 27 | Expired |
| US4942502A | Light projecting toy musical box | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5041045A | Wind instrument toy | Human Necessities | 1 | Expired |
| US6294097A | Method for treating waste water containing nitrate ions | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.