HUDSON OPTICAL CORP has a total of 18 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets optics, medical technology and machines are NANNINI GIORGIO, BERGNER WALTER and GAZELLE CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Australia | 2 | |
#3 | Canada | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 2 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Medical technology | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Spectacles | |
#2 | Implantable devices | |
#3 | Unspecified technologies | |
#4 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Hirschman Richard | 15 |
#2 | Jerman Wayne | 7 |
#3 | Shin Chul Woo | 4 |
#4 | Shin Chul W | 4 |
#5 | Robert Gross | 2 |
#6 | Hirschman Jason | 1 |
#7 | Kang Chang W | 1 |
#8 | Kim Ji W | 1 |
Publication | Filing date | Title |
---|---|---|
US5798815A | Method and kit for attaching side shields to eyeglass temples | |
US5623322A | Pull down member on temple of eyeglasses | |
US5543864A | Method and kit for attaching side shields to eyeglass temples | |
US5548351A | Method and kit for attaching side shields to eyeglass temples | |
US5483303A | Spectacles having adjustable temples and ear engaging members | |
US3403958A | Spectacle hinge construction having an expandable anchor | |
US2887008A | Spectacle frame construction |