YUASA BATTERY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5200282 Nickel electrode and alkaline battery using the sameOct 02, 91Apr 06, 93[H07M]
5118420 Self-cleaning vacuum filter, particularly for filtering industrial lubricants and coolantsFeb 19, 91Jun 02, 92[B01D]
5063133 Electrophotographic developing system comprising toner having specific particle size distributionFeb 25, 91Nov 05, 91[G03G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5384792 Uninterruptible power supplyExpiredJul 18, 94Jan 24, 95[H03M, G06F]
5376107 Electrotherapeutic deviceExpiredOct 22, 92Dec 27, 94[A61N]
5320916 Separator for alkali-zinc batteryExpiredAug 13, 92Jun 14, 94[H01M]
5298850 Charge indicator of batteryExpiredApr 16, 93Mar 29, 94[H02J, G01N]
5290323 Manufacturing method for solid-electrolyte fuel cellExpiredJul 29, 92Mar 01, 94[H07M]
5273841 Sulfuric acid concentration sensor and lead acid battery equipped with sulfuric acid concentration sensorExpiredJun 25, 92Dec 28, 93[H01M, G01N]
5229650 Uniterruptible power systemExpiredNov 06, 91Jul 20, 93[H02J]
5223354 Lead-acid battery plate and its manufacturing methodExpiredJun 19, 92Jun 29, 93[H01M]
5184664 Mold for lead castingExpiredJun 28, 91Feb 09, 93[B22D]
5093970 Lead-acid battery plate and its manufacturing methodExpiredApr 30, 90Mar 10, 92[H01M]
5081570 Control system for electric power supplyExpiredMar 14, 90Jan 14, 92[H02M]
4985318 Alkaline battery with a nickel electrodeExpiredMay 30, 89Jan 15, 91[H02M]
4938276 Method and apparatus for supplying a lead alloy to a casting machineExpiredJan 25, 90Jul 03, 90[B22D]
4898796 Lead-acid storage batteryExpiredNov 08, 88Feb 06, 90[H01M]
4855663 Charging control apparatusExpiredFeb 23, 88Aug 08, 89[H02J]
4844999 Nickel electrode for alkaline battery and battery using said nickel electrodeExpiredMay 26, 88Jul 04, 89[H01M]
4833047 Electrolyte feeder for batteryExpiredOct 26, 87May 23, 89[H01M]
4725516 Sealed lead-acid batteryExpiredOct 15, 85Feb 16, 88[H01M]
4604794 Method of manufacturing battery plate groupsExpiredJul 21, 82Aug 12, 86[H01M]
4576879 Sealed lead acid batteryExpiredOct 10, 84Mar 18, 86[H01M]

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