Daniel Chang
23Patents
10h-index
18Co-inventors
72Inventor score
Filing activity: Nov 13, 1978 → Dec 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5694594A | System for linking hypermedia data objects in accordance with associations of source and destination data objects and similarity threshold without using keywords or link-difining terms | Emerging Cross-Sectional Technologies | 203 | Expired |
| US6661276B1 | MOSFET driver matching circuit for an enhancement mode JFET | Electricity | 80 | Expired |
| US4975595A | Scannable register/latch circuit | Electricity | 62 | Expired |
| US6266020A | Hidden antenna device of a mobile phone | Electricity | 57 | Expired |
| US4817051A | Expandable multi-port random access memory | Physics | 32 | Expired |
| US4243875A | Temperature control for resistance heating element | Performing Operations; Transporting | 21 | Expired |
| US10926659B2 | Optimization framework and methods for adaptive EV charging | Emerging Cross-Sectional Technologies | 21 | Active |
| US5990840A | Signal receiving gain device for car mobile-phones | Electricity | 13 | Expired |
| US5809135A | Press locking connector for antenna of a mobile-phone | Electricity | 12 | Expired |
| US6215445A | Antenna holder assembly for a cellular phone | Electricity | 10 | Expired |
| US5836005A | Mobile telephone antenna | Electricity | 9 | Expired |
| US5236268A | Universal input method for Chinese characters | Performing Operations; Transporting | 9 | Expired |
| US6097340A | Antenna with RF energy shield for a portable cellular telephone | Electricity | 9 | Expired |
| US8144072B2 | Multi-band antenna for notebook computer | Electricity | 8 | Active |
| US8820195B2 | Bit or fastener driver | Performing Operations; Transporting | 7 | Active |
| US5861851A | Mobile-phone antenna device directly insertion connectable to an external antenna | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10051434B2 | Selective crowdsourcing for multi-level positioning | Electricity | 6 | Active |
| US6039459A | Lighting circuit and antenna arrangement of a cellular telephone | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6204818A | Stretchable antenna for mobile phones | Electricity | 4 | Expired |
| US5932635A | Tackified prepreg systems | Chemistry; Metallurgy | 3 | Expired |
| US8115682B2 | Multi-band HAC compatible antenna module | Electricity | 2 | Active |
| US6297784A | Bi-frequency cellular telephone antenna | Electricity | 1 | Expired |
| US7845066B2 | Method of installing an antenna of a notebook computer | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.