AMERICAN OPTICAL CORP has a total of 5,051 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets optics, machines and medical technology are F A HARDY & COMPANY, RODENSTOCK OPTIK G and ESSILOR INT (COMPAGNIE GENERALE D'OPTIQUE).
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 2,434 | |
#2 | Canada | 580 | |
#3 | United Kingdom | 545 | |
#4 | Germany | 443 | |
#5 | France | 327 | |
#6 | Japan | 161 | |
#7 | Australia | 69 | |
#8 | Netherlands | 67 | |
#9 | Austria | 62 | |
#10 | Switzerland | 58 | |
#11 | Brazil | 54 | |
#12 | Israel | 45 | |
#13 | Italy | 37 | |
#14 | Sweden | 34 | |
#15 | Hong Kong | 22 | |
#16 | South Africa | 21 | |
#17 | Belgium | 16 | |
#18 | EPO (European Patent Office) | 13 | |
#19 | USSR (Union of Socialist Soviet Republics) | 11 | |
#20 | Spain | 9 | |
#21 | Norway | 8 | |
#22 | India | 5 | |
#23 | Mexico | 5 | |
#24 | New Zealand | 5 | |
#25 | Denmark | 4 | |
#26 | Argentina | 3 | |
#27 | Greece | 2 | |
#28 | Ireland | 2 | |
#29 | Portugal | 2 | |
#30 | WIPO (World Intellectual Property Organization) | 2 | |
#31 | China | 1 | |
#32 | Finland | 1 | |
#33 | Republic of Korea | 1 | |
#34 | Philippines | 1 | |
#35 | Taiwan | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Machines | |
#3 | Medical technology | |
#4 | Machine tools | |
#5 | Materials and metallurgy |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Spectacles | |
#3 | Diagnosis and surgery | |
#4 | Unspecified technologies | |
#5 | Unspecified technologies | |
#6 | Manufacturing processes | |
#7 | Grinding or polishing devices | |
#8 | Implantable devices | |
#9 | Treatment of glass | |
#10 | Producing goods from plastic |
# | Name | Total Patents |
---|---|---|
#1 | Tillyer Edgar D | 181 |
#2 | Snitzer Elias | 89 |
#3 | Splaine Edward M | 83 |
#4 | Siegmund Walter P | 72 |
#5 | Hill Harry W | 68 |
#6 | Baker Nelson M | 63 |
#7 | Grolman Bernard | 60 |
#8 | Day George H | 55 |
#9 | Moulton Harold R | 53 |
#10 | Schumacher Elmer L | 53 |
Publication | Filing date | Title |
---|---|---|
US5726734A | Hard/soft superposition progressive lens design | |
IL105147D0 | Production of photochromic plastic lenses | |
US5137341A | Prescription lens carrier | |
ZA9109933B | Spectacle lenses having an inside-out conicoidal front surface | |
IL100410D0 | Spectacle lenses having an inside-out conicoidal front surface | |
NZ241027A | Ophthalmic lens with convex front surface of aspherical inside-out conicoid form | |
AU9117591A | Spectacle lenses having an inside-out conicoidal front surface | |
US5272332A | Laser discrimination device | |
US5198911A | Holographic optical notch reflectors | |
US5235357A | Spectacle lenses having an inside-out conicoidal front surface and method for forming same | |
US5100232A | Apparatus and method for detecting hidden marks on progressive aspheric ophthalmic lenses | |
US5116113A | Laser eye protective devices | |
US5212585A | Laser protective device | |
AU4571789A | Progressive addition spectacle lens | |
US4921512A | Filter element | |
US5000878A | Photochromic articles with thermally stable photocolorability | |
US5123725A | Progressive addition spectacle lens | |
US4899921A | Aligner bonder | |
US4977627A | Protective goggle | |
US4942696A | Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses |