Mitsubishi Pencil Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B43K IMPLEMENTS FOR WRITING OR DRAWING 373
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 2171
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 7248
 
  
 
A46B BRUSHES 525
 
  
 
B43M BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR 38
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 2152
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
A45D HAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT 135
 
  
 
B41K STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES 112

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2002/0156,424 Needle covering member and syringe equipped therewithApr 22, 02Oct 24, 02[A61M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8684617 Writing instrumentMay 13, 03Apr 01, 14[B43K]
8206051 Cosmetic-containing applicator and replacement brushDec 07, 06Jun 26, 12[A46B]
7862249 Ball-point pen tip and ink refillAug 27, 07Jan 04, 11[B43K]
7325992 Gas-pressurized writing instrument and writing instrument refillJan 30, 03Feb 05, 08[A46B]
7311459 Follower for non-aqueous ball point pen and non-aqueous ball point penApr 16, 04Dec 25, 07[B43K]
7303351 Writing instrument and welding method of writing point assembly and writing instrument parts connecting structure and connecting methodJan 30, 03Dec 04, 07[B43K]
7279512 Water-based ink composition for ballpoint penNov 07, 02Oct 09, 07[C09D]
7223037 Production processes for writing instrument and ink occlusion bodyJun 26, 02May 29, 07[B43K]
7179005 Ink follower for water-based ink ballpoint penDec 27, 02Feb 20, 07[B43K]
7153052 Writing implementFeb 03, 04Dec 26, 06[A46B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0074,672 WRITING INSTRUMENTAbandonedOct 08, 09Mar 25, 10[B43K]
2009/0317,164 Applicator, and container for application substanceAbandonedMay 29, 07Dec 24, 09[A46B]
7625656 Direct methanol fuel cellExpiredApr 09, 09Dec 01, 09[H01M]
7556877 Direct methanol fuel cellExpiredJul 23, 03Jul 07, 09[H01M]
7503718 Cosmetic containerExpiredAug 01, 05Mar 17, 09[A46B]
7381004 Gas pressurized writing instrument and writing instrument refillExpiredJan 30, 03Jun 03, 08[A46B]
7345100 Water-based ink composition for ball-point penExpiredNov 07, 02Mar 18, 08[C09D]
7083349 Writing implementExpiredAug 23, 02Aug 01, 06[B43K]
7070352 Writing implementExpiredAug 30, 02Jul 04, 06[B43K]
7063475 Ink-storing body for writing utensilExpiredAug 28, 02Jun 20, 06[B43K]
7011466 Writing implementExpiredMar 22, 01Mar 14, 06[B43K]
7001094 Writing utensil having excellent cap-off performanceExpiredNov 08, 01Feb 21, 06[B43K]
6969376 Safety indwelling needleExpiredJul 12, 01Nov 29, 05[A61M]
6955491 Marking pen with excellent cap-off performanceExpiredDec 21, 01Oct 18, 05[B43K]
6926458 Ball-point pen refillExpiredDec 28, 01Aug 09, 05[B43K]
6887008 Ballpoint pen tip, ballpoint pen utilizing the ballpoint pen tip and method of manufacturing the ballpoint pen tipExpiredOct 20, 03May 03, 05[B43K]
2005/0015,062 Injection needle, method for manufacturing the injection needle and device for manufacturing the injection needleAbandonedJun 08, 04Jan 20, 05[A61M]
6827767 Ink for ball-point pen and ball-point penExpiredJun 14, 02Dec 07, 04[C09D]
6776829 Water-based ink composition for writing utensilExpiredDec 02, 02Aug 17, 04[C09D]
6761496 Writing utensilExpiredDec 04, 02Jul 13, 04[B43K]

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