CHANG CHUN-YUAN has a total of 17 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States. Its main competitors in its focus markets machines, machine tools and surface technology and coating are MITSUBISHI KAGAKU FORM PLASTIC, SCHREINER LUCHTVAART and KIHLBERG HARRY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 17 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Machine tools | |
#3 | Surface technology and coating | |
#4 | Furniture and games | |
#5 | Electrical machinery and energy | |
#6 | Computer technology | |
#7 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Hand-held nailing tools | |
#3 | Shaping of plastics | |
#4 | Cutting | |
#5 | Office furniture | |
#6 | Layered products | |
#7 | Electric digital data processing | |
#8 | Electrically-conductive connections | |
#9 | Special books | |
#10 | Perforating |
# | Name | Total Patents |
---|---|---|
#1 | Chang Chun-Yuan | 17 |
#2 | Tseng Chung-Chi | 2 |
#3 | Liu Li-Fu | 1 |
#4 | Shih Yu-Tang | 1 |
#5 | Hung Tzu-Hsiu | 1 |
Publication | Filing date | Title |
---|---|---|
US2012236474A1 | Electronic apparatus carrying device | |
US2010255273A1 | Plastic article and method of manufacturing the same | |
US7758009B1 | Full folding/unfolding book stand and copy holder | |
US2010253939A1 | Industrial Laparoscope | |
US2010078400A1 | Quick-assembly laminating file tray | |
US2009218382A1 | Sheathing device for the staple channel of stapler | |
US2009184151A1 | Dual protective device of a heavy-duty stapler | |
US2009049967A1 | Hole punch structure | |
US2008061106A1 | Stapler having a force balance effect | |
US2007241579A1 | File carrying device | |
US2007187450A1 | Pliers type stapler | |
US2007187451A1 | Pliers type stapler | |
US2007101848A1 | Corner trimming device | |
US6973809B2 | Number lock device for computer |