Tomoyuki Morikawa
8Patents
4h-index
12Co-inventors
50Inventor score
Filing activity: Jun 7, 1999 → Sep 22, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7610742B2 | Mower unit | Human Necessities | 8 | Active |
| US7814739B2 | Riding type mower | Human Necessities | 6 | Active |
| US8028508B2 | Mower unit | Emerging Cross-Sectional Technologies | 5 | Active |
| US6510118B1 | Copy restriction method and apparatus which restrict copying of data from optical recording medium to another recording medium and copy-restricted optical recording medium | Physics | 5 | Expired |
| US7543435B2 | Mower unit | Emerging Cross-Sectional Technologies | 4 | Active |
| US7637089B2 | Grass collecting apparatus for lawn mower | Human Necessities | 4 | Active |
| US7980050B2 | Mower unit | Human Necessities | 2 | Active |
| US7172040B2 | Riding type mower | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.