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Dialog "How Do I...?" - Patents

Find Patents and Technical Articles Cited as Prior Art by a Specific Patent and Its Equivalents?

TOPIC: In this example, you want to find patents and technical literature references that have been cited in U.S. patent 5808340.

Derwent Patents Citation Index (File 342) contains patents and literature citations on over one million patent families worldwide from six patent-issuing authorities.

Prior art includes:

  • Any relevant description or discussion of the invention’s essential characteristics in prior printed publication anywhere in the world in any language that was made public before the invention was conceived of.
  • Any relevant printed publication prepared by the inventor and published more than one year prior to the filing date of the patent application.
  • Any relevant foreign or U.S. patent issued before the inventor conceived of the invention for which a patent is being sought, or any U.S. patent application made prior to such conception.

 

COMMAND SUMMARY

BEGIN 342
SELECT PN=US 5808340
TYPE S1/9/1
MAP CTPN T
BEGIN 351
EXS


HOW TO...


1. After entering BEGIN 342 to open Derwent Patents Citation Index for searching, SELECT the patent number using (PN=), country code and patent number.


?B 342
File 342:Derwent Patents Citation Indx 1978-05/200625
  (c) 2006 Thomson Derwent


    Set  Items  Description
    ---  -----  -----------
?SELECT PN=US 5808340
    S1       1  PN=US 5808340 

2. TYPE the complete record using Format 9 to see cited patents, cited literature references and citing patents.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: Parts of the record have been omitted from this display.


?T S1/9/1

  1/9/1  
DIALOG(R)File 342:Derwent Patents Citation Indx
 (c) 2006 Thomson Derwent. All rts. reserv.

03104392  WPI Acc No: 98-217581/19
Short channel self-aligned VMOS field effect transistor - has 
V-shaped gate permitting channel lengths of less than 0.25 
microns and is produced by conventional optical lithography  

Patent Assignee: (ADMI ) ADVANCED MICRO DEVICES INC
Author (Inventor): WOLLESEN D L; FATEMI H
Patent Family:
  Patent No   Kind Date           Examiner Field of Search
  WO 9812753     A1 980326 (BASIC)
  DE 69710745    E  020404
  EP 931350      A1 990728 None
  EP 931350      B1 020227 H01L-029/423
  US 5808340     A  980915 257/330; 257/331; 257/332; 257/333; 
                    257/334
  US 5960271     A  990928 148/DIG.126; 438/197; 438/268; 
                    438/270; 438/271; 438/272; 438/301; 438/589; 
                    438/FOR363
Derwent Week (Basic): 9819
Priority Data: US 714317 (960918)
Applications:  US 714317 (960918); DE 610745 (970521); 
               EP 97912638 (970521); WO 97US5826 (970521); 
               US 42786 (980317)
Designated States
   (National): JP; KR
   (Regional): AT; BE; CH; DE; DK; ES; FI; FR; GB; GR; IE; IT; 
               LU; MC; NL; PT; SE
Derwent Class: L03; U11; U12
Int Pat Class: H01L-021/336; H01L-029/423; H01L-029/76
Number of Patents: 006
Number of Countries: 020
Number of Cited Patents: 042
Number of Cited Literature References: 016
Number of Citing Patents: 028 
                        CITED PATENTS  
Family Member  Cited Patent Cat   WPI Acc No   Assignee/Inventor

By Examiner:
EP 931350  B1 JP 5275694  A  93-372535/47 (NIDE) NEC CORP
EP 931350  B1 JP 58145156 A  83-780327/40 (NIDE) NIPPON ELECTRIC
EP 931350  B1 JP 59040579 A  84-103381/17 (AGEN) AGENCY OF IND 
                                                SCI & TECHNOLOGY
EP 931350  B1 US 4272302  A  81-47629D/26 (USAS) NAT AERO & SPACE
                                                ADMIN/JHABVALA M D
EP 931350  B1 US 4316203  A  82-17842E/09 (FUIT) FUJITSU LTD/
                                                TOHGEI R
US 5808340 A  JP 53040835 A
US 5808340 A  JP 53134135 A
              . . . .
                      CITED LITERATURE REFERENCES 
Family Member   Cat    Citation
By Examiner:
EP 931350   A1         See references of WO 9812753A1
EP 931350   A1         See references of WO 9812753A1
EP 931350   B1         PATENT ABSTRACTS OF JAPAN vol. 018, no. 
                       053 (E-1498), 27 January 1994 &  
                       JP 05 275694 A(NEC CORP), 
                       2 October 1993,
EP 931350   B1         PATENT ABSTRACTS OF JAPAN vol. 
                       018, no. 053 (E-1498), 27 January 1994 & 
                       JP 05 275694 A (NEC CORP), 22 October 1993,
EP 931350   B1         PATENT ABSTRACTS OF JAPAN vol.007, no.258
                       (E-211),17 November 1983 & JP 58 145156 A 
                       (NIPPON DENKI KK), 29 August 1983,
EP 931350   B1         PATENT ABSTRACTS OF JAPAN vol. 007, no. 258 
                       (E-211),17 November 1983 & JP 58 145156 A 
                       (NIPPON DENKI KK), 29 August 1983, 
              . . . .
                     CITING PATENTS  
Family Member  Citing Patent Cat   WPI Acc   No  Assignee/Inventor
By Examiner:
WO 9812753  A1 EP 1014450  A  Y  00-414714/32 (SILI-) SILICONIX INC/
                           DARWISH M
WO 9812753  A1 EP 1014450  A  Y  00-414714/32 (SILI-) SILICONIX INC/
                           DARWISH M
WO 9812753  A  EP 1014450  A2 Y  00-414714/32 (SILI-) SILICONIX INC/
                           DARWISH M

3. MAP the cited patent number from S1 to see all patents cited by U.S. patent 5808340.

The MAP command automatically creates a SearchSave of the cited patents.


?MAP CTPN t
Temp SearchSave "TD334" stored
3 Select Statements, 25 Search Term(s)
SearchSave TD334
1 SearchSave(s),  25 Search Term(s)

6. BEGIN 351 (Derwent World Patents Index) where you can see descriptive titles and abstracts of the patents.

7. Execute (EXS) the MAP SearchSave in the new database to retrieve the patents cited as prior art.

?B 351
File 351:Derwent WPI 1963-2006/UD,UM &UP=200633
  (c) 2006  Thomson Derwent

    Set  Items  Description
    ---  -----  -----------
?EXS
Executing TD334
     1  PN=JP 5275694
     0  PN=JP 53040835
     0  PN=JP 53134135
     0  PN=JP 54133078
     1  PN=JP 58145156
     1  PN=JP 59040579
     1  PN=JP 6021451
     1  PN=US 4102714
     1  PN=US 4131907
     1  PN=US 4200968
     1  PN=US 4227297
     1  PN=US 4272302
     1  PN=US 4316203
     1  PN=US 4502208
S1  11  PN=JP 5275694 + PN=JP 53040835 + PN=JP 53134135 + PN=JP
        54133078 + PN=JP 58145156 + PN=JP 59040579 + PN=JP
        6021451 + PN=US 4102714 + PN=US 4131907 + PN=US 4200968 +
        PN=US 4227297 + PN=US 4272302 + PN=US 4316203 + PN=US
        4502208
      1  PN=US 4567641
      1  PN=US 4682405
      1  PN=US 4859621
      1  PN=US 5016067
      1  PN=US 5371024
      1  PN=US 5451805
      1  PN=US 5466616
      1  PN=US 5470770
      1  PN=US 5474943
      1  PN=US 5508547
      1  PN=US 5811336
S2   10  PN=US 4567641 + PN=US 4682405 + PN=US 4859621 + 
         PN=US 5016067 + PN=US 5371024 + PN=US 5451805 + 
         PN=US 5466616 + PN=US 5470770 + PN=US 5474943 +
         PN=US 5508547 + PN=US 5811336
S3   21  S1:S2

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Stock #: 54125; Last modified: 14 Sep 2011



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