Yasuyuki Harada
19Patents
8h-index
50Co-inventors
75Inventor score
Filing activity: Dec 10, 1991 → Oct 25, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5733434A | Apparatus and method for cleaning semiconductor wafers | Chemistry; Metallurgy | 43 | Expired |
| US5186192A | Apparatus for cleaning silicon wafer | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5725753A | Apparatus and method for cleaning semiconductor wafers | Chemistry; Metallurgy | 35 | Expired |
| US6003527A | Cleaning apparatus and a cleaning method | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6325081A | Washing apparatus and washing method | Performing Operations; Transporting | 24 | Expired |
| US5985811A | Cleaning solution and cleaning method | Chemistry; Metallurgy | 16 | Expired |
| US8785574B2 | Bridged metallocene compound, olefin polymerization catalyst containing the same, and ethylene polymer obtained with the catalyst | Chemistry; Metallurgy | 10 | Active |
| US6050276A | Apparatus and method for cleaning a precision substrate | Performing Operations; Transporting | 9 | Expired |
| US6548210B1 | Nickel electrodes for alkaline secondary battery and alkaline secondary batteries | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9676879B2 | Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method | Chemistry; Metallurgy | 4 | Active |
| US8604140B2 | Method for preventing fouling in chemical equipment and antifouling agent | Chemistry; Metallurgy | 2 | Active |
| US7052800B2 | Separator for nickel-metal hydride storage battery and nickel-metal hydride storage battery | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8257862B2 | Alkaline storage battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US7790306B2 | Nickel hydrogen storage battery | Electricity | 1 | Active |
| US6790562B2 | Separator for alkaline secondary battery, method for preparing the same alkaline secondary battery | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10870715B2 | Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method | Chemistry; Metallurgy | 1 | Active |
| US10150823B2 | Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method | Chemistry; Metallurgy | 1 | Active |
| US7867653B2 | Alkaline storage battery system | Emerging Cross-Sectional Technologies | 0 | Active |
| US6579645B2 | Hydrogen absorbing alloy for electrode, hydrogen absorbing alloy electrode and alkaline storage battery | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.