RCA CORP has a total of 57,812 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets audio-visual technology, basic communication technologies and electrical machinery and energy are PHILIPS CORP, PHILIPS ELECTRONIC ASSOCIATED and PHILIPS NV.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 23,256 | |
#2 | Canada | 7,210 | |
#3 | Germany | 4,781 | |
#4 | United Kingdom | 4,375 | |
#5 | France | 4,360 | |
#6 | Japan | 2,306 | |
#7 | Italy | 1,494 | |
#8 | Sweden | 1,189 | |
#9 | Spain | 1,117 | |
#10 | Australia | 914 | |
#11 | Austria | 844 | |
#12 | Netherlands | 767 | |
#13 | Belgium | 658 | |
#14 | Switzerland | 628 | |
#15 | Denmark | 500 | |
#16 | Finland | 495 | |
#17 | Brazil | 367 | |
#18 | Republic of Korea | 345 | |
#19 | Poland | 292 | |
#20 | South Africa | 224 | |
#21 | EPO (European Patent Office) | 207 | |
#22 | Malaysia | 196 | |
#23 | Hong Kong | 182 | |
#24 | German Democratic Republic | 147 | |
#25 | USSR (Union of Socialist Soviet Republics) | 129 | |
#26 | New Zealand | 126 | |
#27 | Argentina | 96 | |
#28 | Portugal | 92 | |
#29 | Yugoslavia (Serbia and Montenegro) | 64 | |
#30 | India | 54 | |
#31 | Norway | 45 | |
#32 | China | 43 | |
#33 | WIPO (World Intellectual Property Organization) | 40 | |
#34 | Mexico | 39 | |
#35 | Czechoslovakia | 38 | |
#36 | Ireland | 32 | |
#37 | Israel | 31 | |
#38 | Greece | 27 | |
#39 | Singapore | 26 | |
#40 | Turkey | 21 | |
#41 | Egypt | 14 | |
#42 | Russian Federation | 13 | |
#43 | Romania | 11 | |
#44 | Hungary | 7 | |
#45 | Philippines | 5 | |
#46 | Iceland | 4 | |
#47 | Czechia | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Basic communication technologies | |
#3 | Electrical machinery and energy | |
#4 | Semiconductors | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Electric discharge tubes | |
#3 | Semiconductor devices | |
#4 | Special information storage | |
#5 | Pulse technique | |
#6 | Unspecified technologies | |
#7 | Amplifiers | |
#8 | Amplification control | |
#9 | Unspecified technologies | |
#10 | Tuning resonant circuits |
# | Name | Total Patents |
---|---|---|
#1 | Hansell Clarence W | 376 |
#2 | Roberts Walter Van B | 283 |
#3 | Of America Radio Corporation | 281 |
#4 | Lindenblad Nils E | 242 |
#5 | Crosby Murray G | 235 |
#6 | Harwood Leopold Albert | 224 |
#7 | Koch Winfield R | 185 |
#8 | Willis Donald Henry | 170 |
#9 | Peterson Harold O | 156 |
#10 | Christopher Todd J | 155 |
Publication | Filing date | Title |
---|---|---|
FR2820154A1 | Method for sealing a rail for the passage of railway equipment and saddle for such a method | |
FR2777298A1 | Expansion joint for pavements having a longitudinally extended hanging structure | |
FR2777921A1 | Expansion joints for pavements incorporating fibrous materials | |
FR2777300A1 | Field of waterproofing of works of art and road bridge apron, and of reconstruction of enrobes and expansion joints | |
SG30894G | Method for forming a shadow mask from a flat blank | |
CA1310376C | Current gain compensation amplifier | |
US4989003A | Autozeroed set comparator circuitry | |
DE3806057A1 | Dielectric paint for an integrated multilayer circuit | |
JPS63194479A | Television receiver | |
GB8800420D0 | Dual single sideband modulator for actv | |
MY8700129A | Ablative optical recording medium | |
MY8700130A | Optical recording medium | |
MY8700131A | Information record and a method of reversibly recording and erasing information thereon | |
GB8729218D0 | Doped polycrystalline silicon layers for semiconductor devices | |
FI875296A0 | Diode with mixed oxide insulation | |
GB8728125D0 | Interframe pulse code modulation with controlled encoder & decoder | |
US4746317A | Electron tube evacuating manifold system | |
GB8725295D0 | Vertical flyback generator circuit | |
JPS63148708A | Tone controller | |
GB8724891D0 | Stabilization circuit |