CHANG CHIH-CHEN has a total of 16 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, optics and packaging and shipping are MORPHEUS LIGHTS INC, ROBE SHOW LIGHTING S R O and TONGNAN MINGHUI LIGHT FIXTURE MFT.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Canada | 5 | |
#3 | United Kingdom | 3 | |
#4 | Netherlands | 1 | |
#5 | Taiwan | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Optics | |
#3 | Packaging and shipping | |
#4 | Machines | |
#5 | Chemical engineering | |
#6 | Furniture and games | |
#7 | Telecommunications |
# | Name | Total Patents |
---|---|---|
#1 | Chang Chih-Chen | 16 |
#2 | Huang Kun-Ping | 2 |
#3 | Chen Chien-Chih | 1 |
#4 | Hsieh Yu-Tse | 1 |
#5 | Lu Sui-Feng | 1 |
#6 | Lin Chia-Ching | 1 |
#7 | Chen Chih-Yung | 1 |
#8 | Lee Kang-Feng | 1 |
Publication | Filing date | Title |
---|---|---|
TW201705886A | Grinding system and grinding method | |
US2010060421A1 | Rfid tag with a semi-enclosed coupler | |
US2009071957A1 | Safety Box | |
GB0202852D0 | A christmas tree structure of decorating lamp | |
US2003107890A1 | Lamp string holding frame | |
GB0020264D0 | A formative lamp with edge-lighting | |
CA2292070A1 | An electrolier flag | |
CA2277716A1 | A chain shape lamp |