EM4 INC has a total of 13 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, semiconductors and measurement are CT A PHOTONICS INC, OPTOS KK and CHANG KANG CHEMICAL CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | WIPO (World Intellectual Property Organization) | 5 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Semiconductors | |
#3 | Measurement | |
#4 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Semiconductor devices | |
#3 | Testing of structures | |
#4 | Chemical or physical processes | |
#5 | Measuring light |
# | Name | Total Patents |
---|---|---|
#1 | Rosiewicz Alex | 9 |
#2 | Zhu Ninghui | 6 |
#3 | Matsuki Michio | 4 |
#4 | Kaluzhny Mikhail | 3 |
#5 | Rosiewics Alex | 1 |
#6 | Wakelin Suzanne | 1 |
Publication | Filing date | Title |
---|---|---|
US2008317427A1 | Hermetic fiber feedthrough | |
WO2009025662A1 | Reducing heating from non-coupled light in power transmitting optical fibers | |
WO2008036468A2 | System and method for built-in testing of a fiber optic transceiver | |
US2008260330A1 | Alignment with thin bonding layer of optical components | |
US7309175B1 | Reducing heating from non-coupled light in power transmitting optical fibers | |
US2007098332A1 | Package for optical components | |
US2007040166A1 | Compound eye image sensor design | |
US2006219877A1 | Wavelength stabilization for broadband light sources | |
US7160368B1 | System and method for gettering gas-phase contaminants within a sealed enclosure |