KUMAMOTO PREFECTURE
3Patents
3Active
3Granted
44Portfolio score
Filing activity: Jun 7, 2006 → Nov 27, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8137537B2 | Filtered water monitoring device and filtered water monitoring system | Chemistry; Metallurgy | 11 | Active |
| US10883634B2 | Metal seal and fluid control apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10883602B2 | Metal seal, fluid control apparatus, and sealing method | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.