MITSUBISHI ELECTRIC LIGHTING CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
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
8188646 Fluorescent lamp and base with press-fit holeApr 18, 08May 29, 12[H01J]
8004204 Power circuit and illumination apparatusJun 15, 09Aug 23, 11[H05B]
6049179 High-pressure discharge lamp lighting apparatusMar 23, 98Apr 11, 00[H05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7456559 Fluorescent lamp and ferruleExpiredSep 02, 03Nov 25, 08[H01J]
6429603 Discharge lamp lighting apparatusExpiredApr 27, 00Aug 06, 02[H05B]
6194841 Discharge lamp lighting deviceExpiredJun 16, 99Feb 27, 01[H05B]
6181087 Discharge lamp operating deviceExpiredFeb 09, 00Jan 30, 01[H05B]

Top Inventors for This Owner

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