CHAN YET has a total of 21 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Taiwan and Hong Kong. Its main competitors in its focus markets audio-visual technology, optics and transport are CJM ASSOCIATES, CFB GMBH and KOSAKA TAKASHI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Taiwan | 4 | |
#3 | Hong Kong | 3 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | Japan | 2 | |
#6 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Optics | |
#3 | Transport | |
#4 | Machines | |
#5 | Mechanical elements | |
#6 | Environmental technology | |
#7 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Wheelchairs and sledges | |
#2 | Cameras | |
#3 | Television | |
#4 | Unspecified technologies | |
#5 | Gearing | |
#6 | Climate change mitigation in transportation | |
#7 | Clutches and brakes | |
#8 | Reduction of greenhouse gas emissions | |
#9 | Batteries |
# | Name | Total Patents |
---|---|---|
#1 | Chan Yet | 21 |
#2 | Wu Wai Ip | 4 |
#3 | Wu Wai-Ip | 1 |
#4 | Wu Wai I | 1 |
Publication | Filing date | Title |
---|---|---|
US2012312618A1 | Motorized driving device | |
US2012219846A1 | Battery cell support and assembly thereof | |
US2011183793A1 | Pedal driven apparatus having a motor | |
US2011180341A1 | Pedal driven apparatus having a motor | |
US2011183794A1 | Pedal driven apparatus having a motor | |
HK1085885A2 | Camera | |
HK1063566A2 | Wheel assembly. | |
HK1059186A2 | Camera with motorised film advancement | |
TW466376B | Photographic film container, film assembly and loading method | |
TW451102B | Film pre-exposure apparatus and method | |
TW436660B | Photographic film container and loading method |