VA INC has a total of 27 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, electrical machinery and energy and audio-visual technology are SMITH DIETERICH CORP, LIESEGANG FA ED and QUENTIN AUGUSTE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 | |
#2 | China | 6 | |
#3 | WIPO (World Intellectual Property Organization) | 4 | |
#4 | Hong Kong | 2 | |
#5 | Australia | 1 | |
#6 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Electrical machinery and energy | |
#3 | Audio-visual technology | |
#4 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Cameras | |
#2 | Electric switches | |
#3 | Television | |
#4 | Magnets and transformers | |
#5 | Pulse technique |
# | Name | Total Patents |
---|---|---|
#1 | Pasquarella Stephen T | 14 |
#2 | Viglione David | 13 |
#3 | Pasquarella Stephen | 7 |
#4 | Akuncius Christopher | 6 |
#5 | Yan Helen | 6 |
#6 | Lamb Adam J | 2 |
#7 | Viglione David J | 2 |
#8 | Jones John Thomas | 1 |
#9 | David Viglione | 1 |
#10 | Watson Mark | 1 |
Publication | Filing date | Title |
---|---|---|
US2013136442A1 | Shutter assembly with drive ring-mounted magnet | |
CN102918458A | Shutter assembly with rotating magnet | |
CN102822736A | Shutter damping assembly | |
US2009232488A1 | Shutter activation system | |
US2007110432A1 | Non-contact shutter activation system and method | |
US2006239681A1 | Quick-change shutter assembly | |
US2006228109A1 | Bi-stable mechanical photographic shutter | |
US6652165B1 | Damping system for mechanical shutter | |
US4884160A | Constant current actuator for inductive load | |
US4697221A | Portable actuator for inductive load | |
US4513345A | Control circuit for inductive load |