INTERTECH Co., Ltd.
17Patents
3Active
17Granted
35Portfolio score
Filing activity: Nov 8, 1993 → Nov 20, 2020 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7320845B2 | Printed battery | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6279383A | Method and apparatus for detecting leakage | Physics | 32 | Expired |
| US6389639B1 | Ball washing apparatus and method | Human Necessities | 15 | Expired |
| US5373597A | Apparatus for cleaning spherical objects and the like | Human Necessities | 10 | Expired |
| US6093134A | Ball pen and method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5454877A | Method for cleaning spherical objects and the like | Human Necessities | 7 | Expired |
| US6911077B2 | Fiber reinforced cementitious material | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6354004B1 | Ball pen and method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5931611A | Ball diverter and converger | Human Necessities | 6 | Expired |
| US5669096A | Ball cleaning system | Human Necessities | 5 | Expired |
| US7204879B2 | Fiber reinforced cementitious material | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD417532S | Ball moving system | General | 2 | Expired |
| US6112906A | Ball separator system | Performing Operations; Transporting | 1 | Expired |
| US6422550B1 | Extending clamp | Performing Operations; Transporting | 1 | Expired |
| US9313534B2 | Efficient authorization system for multi-channel broadcast program options | Electricity | 0 | Active |
| US11835268B2 | Underground heat exchange type cooling and heating system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11187211B2 | Energy supply system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.