Masaaki Matsushita
35Patents
20h-index
46Co-inventors
85Inventor score
Filing activity: Oct 2, 1981 → Nov 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6653549B2 | Photovoltaic power generation systems and methods of controlling photovoltaic power generation systems | Emerging Cross-Sectional Technologies | 250 | Expired |
| US6812396B2 | Photovoltaic power generation system | Emerging Cross-Sectional Technologies | 190 | Expired |
| US7161082B2 | Photovoltaic power generation systems and methods of controlling photovoltaic power generation systems | Emerging Cross-Sectional Technologies | 183 | Expired |
| US6703555B2 | Solar cell string, solar cell array and solar photovoltaic power system | Emerging Cross-Sectional Technologies | 94 | Expired |
| US9494890B2 | Developing cartridge, process cartridge and image forming apparatus | Physics | 78 | Active |
| US9207581B2 | Developer accommodating unit, developing device, process cartridge and image forming apparatus | Physics | 64 | Active |
| US9529304B2 | Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus | Physics | 53 | Active |
| US9354553B2 | Developer accommodating container, process cartridge and electrophotographic image forming apparatus | Physics | 51 | Active |
| US9665040B2 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Physics | 50 | Active |
| US9302801B2 | Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatus | Physics | 49 | Active |
| US9885978B2 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Physics | 49 | Active |
| US9152081B2 | Developer accommodating container, process cartridge, electrophotographic image forming apparatus | Physics | 46 | Active |
| US9291942B2 | Developer accommodating unit, process cartridge and image forming apparatus | Physics | 44 | Active |
| US6291761A | Solar cell module, production method and installation method therefor and photovoltaic power generation system | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6541693B2 | Solar cell module and process for its production, and solar cell module installing method and solar electricity generation system | Emerging Cross-Sectional Technologies | 43 | Expired |
| US9285707B2 | Developer accommodating unit with a urging member for urging a flexible member | Physics | 43 | Active |
| US9341983B2 | Developer accommodating unit, developing device, process cartridge and image forming apparatus | Physics | 41 | Active |
| US9304441B2 | Developer accommodating container, developer accommodating unit, process cartridge and image forming apparatus | Physics | 40 | Active |
| US6265242A | Solar cell module and a process for producing said solar cell module | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7534956B2 | Solar cell module having an electric device | Emerging Cross-Sectional Technologies | 31 | Active |
| US4356222A | Fusion-bondable sheet | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7238879B2 | Solar cell module | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6818820B2 | Solar cell structural body, solar cell array and sunlight power generation system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6803515B2 | Solar-cell-installed structure, and photovoltaic power generation system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6218609A | Solar-cell module, process for its production, method for its installation, and electricity generation system making use of solar-cell module | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.