Hitachi Kyowa Engineering Co., Ltd.
11Patents
7Active
11Granted
42Portfolio score
Filing activity: May 16, 2001 → Mar 25, 2010 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7141221B2 | Apparatus for processing perfluorocarbon | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8231851B2 | Method for processing perfluorocarbon, and apparatus therefor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7511232B2 | Substrate for mounting electronic part and electronic part | Electricity | 4 | Active |
| US7722773B2 | Method of treating organic compounds in wastewater | Chemistry; Metallurgy | 3 | Active |
| US8269301B2 | Submount for optical device and its manufacturing method | Electricity | 2 | Active |
| US7525124B2 | Submount for light emitting diode and its manufacturing method | Electricity | 2 | Expired |
| US7528605B2 | Superconductive magnet device and magnetic resonance imaging apparatus | Physics | 2 | Active |
| US7993529B2 | Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water | Chemistry; Metallurgy | 2 | Active |
| US7641867B2 | Apparatus for processing perfluorocarbon | Emerging Cross-Sectional Technologies | 2 | Active |
| US7842889B2 | Substrate for mounting electronic part and electronic part | Electricity | 1 | Active |
| US6746579B2 | Electrolytic gold plating method and apparatus therefor | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.