Masaru Ohto
10Patents
3h-index
13Co-inventors
57Inventor score
Filing activity: Dec 24, 1990 → Nov 29, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5185185A | Process of pretreatment of metal-plating resin molded articles | Electricity | 6 | Expired |
| US7572758B2 | Cleaning liquid and cleaning method | Chemistry; Metallurgy | 6 | Active |
| US9422512B2 | Cleaning liquid for semiconductor elements and cleaning method using same | Electricity | 3 | Active |
| US7977292B2 | Cleaning composition and process for producing semiconductor device | Chemistry; Metallurgy | 3 | Active |
| US9196472B2 | Processing liquid for suppressing pattern collapse of fine metal structure, and method for producing fine metal structure using same | Performing Operations; Transporting | 2 | Active |
| US6475373B1 | Method of controlling NOx gas emission by hydrogen peroxide | Chemistry; Metallurgy | 1 | Expired |
| US9587208B2 | Cleaning liquid composition, method for cleaning semiconductor element, and method for manufacturing semiconductor element | Chemistry; Metallurgy | 1 | Active |
| US8658053B2 | Etching composition for metal material and method for manufacturing semiconductor device by using same | Electricity | 0 | Active |
| US9334161B2 | Processing liquid for suppressing pattern collapse of fine metal structure and method for producing fine metal structure using same | Electricity | 0 | Active |
| US8980812B2 | Treatment liquid for inhibiting pattern collapse in microstructures, and microstructure manufacturing method using said treatment liquid | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.