HAN DINGNAN has a total of 25 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China, Canada and United States. Its main competitors in its focus markets computer technology are ISHIKURA HIROSHI, IZP BEIJING TECHNOLOGY CO LTD and SYSTEM LSI KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 5 | |
#2 | Canada | 4 | |
#3 | United States | 4 | |
#4 | WIPO (World Intellectual Property Organization) | 4 | |
#5 | EPO (European Patent Office) | 3 | |
#6 | Republic of Korea | 3 | |
#7 | Australia | 2 |
# | Industry | |
---|---|---|
#1 | Computer technology |
# | Technology | |
---|---|---|
#1 | Electric digital data processing |
# | Name | Total Patents |
---|---|---|
#1 | Han Dingnan | 25 |
Publication | Filing date | Title |
---|---|---|
CN112230839A | Multi-touch tool environment intelligent interaction | |
CN111324229A | Multi-person mixed office handwriting pen system | |
CN103809875A | Human-computer interaction method and human-computer interaction interface | |
CN102812426A | Method And Interface For Man-machine Interaction | |
CA2753447A1 | Multi-point touch screen operating tool | |
WO2009103219A1 | Multi-point touch screen and touch detecting method |