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Creation Date 

1. Before 1979  (169)
2. 1979 To 1989  (852)
3. 1990 To 2000  (4,098)
4. 2001 To 2012  (18,175)
5. After 2012  (33,347)
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New Records 

1. New From Last Week  (83)
2. New From Last Month  (2,396)
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Subject 

1. Electricity  (11,732)
2. Electric Communication Technique  (9,895)
3. Image Data Processing Or Generation, In General  (7,232)
4. Checking-Devices  (6,580)
5. Coin-Freed Or Like Apparatus  (6,365)
6. Cryptography  (4,624)
7. Advertising  (4,624)
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Language 

1. English  (48,836)
2. Chinese  (9,635)
3. French  (9,242)
4. Japanese  (6,598)
5. German  (5,110)
6. Korean  (2,584)
7. Spanish  (349)
8. Russian  (264)
9. Portuguese  (214)
10. Swedish  (94)
11. Finnish  (68)
12. Norwegian  (54)
13. Italian  (38)
14. Danish  (35)
15. Dutch  (24)
16. Ukrainian  (19)
17. Czech  (15)
18. Polish  (15)
19. Bulgarian  (14)
20. Hebrew  (10)
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