POWER SYSTEMS CO., LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 4116
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR130

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6225781 System for charging capacitors connected in seriesNov 16, 99May 01, 01[H01M]
6191935 Electric double-layer capacitor having hard granular carbon material penetrating into the aluminum collector electrodesOct 16, 98Feb 20, 01[H01G]
5734205 Power supply using batteries undergoing great voltage variationsApr 04, 96Mar 31, 98[H02J]
5726552 Method and apparatus for controlling charging of electrical power storage unitFeb 26, 96Mar 10, 98[H02J, H01M]
5604426 Electric apparatus with a power supply including an electric double layer capacitorJun 27, 94Feb 18, 97[G05F]
5528121 Storage capacitor power supplyMay 25, 94Jun 18, 96[H02J]
5498951 Method and apparatus for charging electric double layer capacitorJun 30, 94Mar 12, 96[H02J, H02N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7705567 Capacitor power source and charging/discharging control apparatus thereforExpiredMay 10, 07Apr 27, 10[H02J]
7622898 Charging or discharging apparatus for electrically charging or discharging a capacitor storage type power source adapted to store electric energy in electric double layer capacitorsExpiredFeb 16, 07Nov 24, 09[H01M]
7551423 Power storage element and electric double layer capacitorWithdrawnJan 21, 05Jun 23, 09[H01G]
2009/0135,548 Positive Electrode for Electric Double Layer Capacitors, and Electric Double Layer CapacitorsAbandonedMar 08, 07May 28, 09[H01G]
7286334 Electric double layer capacitorExpiredMar 21, 05Oct 23, 07[H01G]
2007/0216,425 Capacitor apparatusAbandonedFeb 20, 07Sep 20, 07[G01R]
2007/0146,968 SEPARATOR FOR INSULATING POSITIVE ELECTRODE AND NEGATIVE ELECTRODEAbandonedDec 20, 06Jun 28, 07[B05D, H01G, B32B]
7214249 Method for conducting electric activation of electric double layer capacitorsExpiredAug 04, 06May 08, 07[H01G]
2006/0245,143 Positive electrode for electric double layer capacitors and method for the production thereofAbandonedApr 25, 06Nov 02, 06[C01B, H01G]
2006/0238,958 Positive electrode for electric double layer capacitors and method for the production thereofAbandonedApr 24, 06Oct 26, 06[H01B, H01G]
7019960 Electric double-layer capacitorExpiredMay 16, 03Mar 28, 06[B65D]
6554875 Process for manufacturing electric double-layer capacitorExpiredDec 19, 00Apr 29, 03[H01M, H01G]
6487066 Electric double layer capacitor and method for producing the sameExpiredSep 01, 99Nov 26, 02[H01G]
6447555 Method of fabricating double-layer capacitor with lower contact resistanceExpiredMar 02, 00Sep 10, 02[H02G]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.