Yasuto Watanabe
33Patents
12h-index
51Co-inventors
84Inventor score
Filing activity: Mar 7, 1988 → Jun 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7948221B2 | Electric power converter | Emerging Cross-Sectional Technologies | 253 | Active |
| US7504811B2 | DC/DC converter | Emerging Cross-Sectional Technologies | 199 | Active |
| US5069524A | Robot hand optical fiber connector coupling assembly | Electricity | 96 | Expired |
| US5100204A | Blow molded seat frame having embedded mounting member | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4990022A | Robot hand coupling assembly | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7292462B2 | DC/DC converter having transistor switches with flywheel diodes and program for controlling the transistor switches | Electricity | 36 | Expired |
| US5229931A | Nut runner control system and method of monitoring nut runners | Performing Operations; Transporting | 34 | Expired |
| US5494878A | Catalyst for exhaust gas purification | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5409671A | Catalytic converter for treating exhaust gas | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7965069B2 | Power converter and multiport power converter | Electricity | 13 | Active |
| US5571763A | Exhaust gas purification system and catalyst therefor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5413976A | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7151364B2 | DC/DC converter and program | Electricity | 10 | Expired |
| US8664926B2 | DC-DC converter and power supplying system using a DC-DC converter | Electricity | 9 | Active |
| US8228690B2 | DC-DC converter and power supplying system including same | Electricity | 9 | Active |
| US9327658B2 | Power conversion device in electric vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US8659272B2 | Bidirectional boost-buck DC-DC converter | Electricity | 6 | Active |
| US7602165B2 | Phase control device for DC/DC converter | Electricity | 6 | Active |
| US7304461B2 | DC/DC converter | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5489561A | Catalyst for exhaust gas purification | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5346665A | Method of blow molding and blow molding system | Performing Operations; Transporting | 4 | Expired |
| US8106635B2 | Power converter | Electricity | 3 | Active |
| US7804196B2 | Multiple input/output power converter and fuel cell vehicle with same | Emerging Cross-Sectional Technologies | 3 | Active |
| US8647210B2 | Constant velocity universal joint | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11196951B2 | Imaging device and imaging method | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.