RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 13349
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 438
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 3153
 
  
 
A62C FIRE-FIGHTING 126
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6900986 Power moduleMar 29, 04May 31, 05[H05K]
6841487 Method of manufacturing semiconductor device and flash memorySep 06, 02Jan 11, 05[H01L]
6762937 Power moduleDec 10, 02Jul 13, 04[H05K]
6696727 Field effect transistor having improved withstand voltageOct 12, 01Feb 24, 04[H01L]
6642600 Insulated gate semiconductor device having first trench and second trench connected to the sameOct 18, 02Nov 04, 03[H01L]
6522544 Power moduleOct 17, 00Feb 18, 03[H05K]
6388280 Semiconductor deviceApr 17, 01May 14, 02[H01L]
6285058 Insulated gate semiconductor device and method of manufacturing the sameFeb 28, 00Sep 04, 01[H01L]
6103556 Thin-film transistor and method of manufacturing the sameJan 11, 99Aug 15, 00[H01L]
6048409 Washing apparatus and washing methodAug 25, 97Apr 11, 00[B08B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6934648 Jitter measurement circuit for measuring jitter of measurement target signal on the basis of sampling data string obtained by using ideal cyclic signalExpiredFeb 12, 03Aug 23, 05[H04B, G06F]
6823229 Substrate carrier management system and programExpiredApr 25, 02Nov 23, 04[G06F]
6815265 Method of fabricating a semiconductor device with a passivation filmExpiredJul 25, 02Nov 09, 04[H01L]
6808973 Manufacturing method of semiconductor deviceExpiredOct 08, 02Oct 26, 04[H01L]
6802034 Test pattern generation circuit and method for use with self-diagnostic circuitExpiredJan 31, 02Oct 05, 04[G06F]
6759317 Method of manufacturing semiconductor device having passivation film and buffer coating filmExpiredJul 24, 01Jul 06, 04[H01L]
6747466 Substrate testing apparatus and substrate testing methodExpiredNov 16, 01Jun 08, 04[G01R]
6733243 Method of interbay transportationExpiredApr 04, 02May 11, 04[B65G, B65H]
2004/0087,137 Method of manufacturing interconnection structure applied to semiconductor deviceAbandonedApr 04, 03May 06, 04[H01L]
6721627 Track conveyance systemExpiredAug 21, 02Apr 13, 04[G06F]
6716718 Method of producing a semiconductor deviceExpiredOct 09, 01Apr 06, 04[H01L]
6708070 Method for preparing manufacturing plan and method for manufacturing semiconductor products using the manufacturing planExpiredMay 01, 02Mar 16, 04[G06F]
6696732 Semiconductor device having S/D to S/D connection and isolation region between two semiconductor elementsExpiredJul 11, 02Feb 24, 04[H01L]
6687568 Transportation systemExpiredApr 24, 02Feb 03, 04[G06F]
2004/0016,935 Charge coupled deviceAbandonedNov 08, 02Jan 29, 04[H01L]
2004/0017,279 Wiring structureAbandonedJan 24, 03Jan 29, 04[H01F]
2004/0018,646 Resist pattern formation methodAbandonedJan 02, 03Jan 29, 04[H01L, G01R]
6653855 External test auxiliary device to be used for testing semiconductor deviceExpiredAug 13, 01Nov 25, 03[G01R]
2003/0210,068 Apparatus of testing semiconductorAbandonedNov 15, 02Nov 13, 03[G01R]
6645859 Semiconductor device and manufacturing method thereofExpiredJun 14, 02Nov 11, 03[H01L]

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