CHANG RICHARD has a total of 17 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, EPO (European Patent Office) and Hong Kong. Its main competitors in its focus markets machines, machine tools and packaging and shipping are SHANKLIN CORP, WELCOME CO LTD and SEAL KOGYO KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | EPO (European Patent Office) | 3 | |
#3 | Hong Kong | 3 | |
#4 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Machine tools | |
#3 | Packaging and shipping | |
#4 | Electrical machinery and energy | |
#5 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Shaping of plastics | |
#2 | Certain plastics | |
#3 | Packaging | |
#4 | Cutting | |
#5 | Unspecified technologies | |
#6 | Hand-held cutting tools | |
#7 | Grinding or polishing devices | |
#8 | Reduction of greenhouse gas emissions | |
#9 | Portable lighting devices | |
#10 | Batteries |
# | Name | Total Patents |
---|---|---|
#1 | Chang Richard | 17 |
#2 | Accumanno Mario Bernardo | 1 |
#3 | Crowley Michael William | 1 |
#4 | Jiang Guofei | 1 |
#5 | Ivancic Franjo | 1 |
#6 | Sankaranarayanan Sriram | 1 |
Publication | Filing date | Title |
---|---|---|
US2013269964A1 | Main shaft structure of tool machine | |
US2011256816A1 | Abrasive apparatus of a sander | |
US2011253260A1 | Wood cutting machine with a fine adjustment device | |
HK1124024A1 | Hand-held electric sealer with detachable sealing module | |
EP2017066A2 | Hand-held electric sealer with dual heads | |
US2008314888A1 | Sealing mechanism for hand-held electric sealer | |
US2008082968A1 | Software testing using machine learning | |
US2009026190A1 | Hand-held electric sealer with detachable sealing module | |
US2006023872A1 | Portable electronic device customization kit | |
GB0413549D0 | Timer tea maker | |
HK1062796A2 | Combination of power supply and detachable electric implement | |
US7285934B2 | Combination of power supply and detachable electric implement | |
HK1060479A2 | Structure of a nailing machine chute | |
EP1052081A1 | Handy electric sealer with safety means |