Hiroyasu Morikawa
11Patents
3h-index
14Co-inventors
53Inventor score
Filing activity: Sep 17, 1998 → Oct 21, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6221505A | Lap joint welding arrangement and a related welding method for forming the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US10056787B2 | Rectifier circuit, and contactless power supply device | Emerging Cross-Sectional Technologies | 3 | Active |
| US7911274B2 | Variable transconductance circuit | Electricity | 3 | Active |
| US9173634B2 | Fatty tissue image display device | Emerging Cross-Sectional Technologies | 2 | Active |
| US8350619B2 | Filter circuit and optical disk device including the same | Electricity | 2 | Active |
| US7317667B2 | Wobble signal extraction circuit and optical disk device | Physics | 1 | Expired |
| US7648057B2 | Ultrasonic flange joining method | Emerging Cross-Sectional Technologies | 0 | Active |
| US7523849B2 | Ultrasonic welding method, ultrasonic welding device and pipe joined by the same | Performing Operations; Transporting | 0 | Active |
| US7976173B2 | Projector and control method therefor | Physics | 0 | Active |
| US7486139B2 | Variable transconductance circuit | Electricity | 0 | Active |
| US8534847B2 | Projector and control method therefor to suppress flickering | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.