Daikyo Gomu Seiko, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 1153
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6007520 Medical instrumentSep 30, 97Dec 28, 99[A61M, B32B]
5994465 Rubber composition containing an organic compound having two maleimide groups and a rubber article for pharmaceuticals and medical treatmentMay 20, 98Nov 30, 99[C08C, C08L]
5908686 Modified polysiloxane composition and a sanitary rubber article coated with the compositionMay 27, 97Jun 01, 99[B32B]
5723189 Container for a sanitary articleJul 22, 94Mar 03, 98[B29D]
5288560 Laminated sanitary rubber articleJan 28, 92Feb 22, 94[B65D, C08L, B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5114794 Modified polysiloxane-coated sanitary rubber article and a process for the production of the sameExpiredJun 21, 88May 19, 92[B32B]
5110621 Process for the production of modified polysiloxane-coated sanitary rubber articleExpiredSep 05, 90May 05, 92[B05D]
5078941 Process for the production of a resin-laminated rubber closure for a medical vialExpiredJul 17, 87Jan 07, 92[B29C]
5009646 Sliding stopper for a syringeExpiredMar 14, 89Apr 23, 91[A61M]
4997423 Laminated sliding stopper for a syringeExpiredJun 14, 89Mar 05, 91[A61M]
4915243 Resin-laminated rubber closure for a medical vialExpiredApr 19, 88Apr 10, 90[B65D]
4702510 Demountable flat bed for a fifth wheel tractorExpiredFeb 20, 87Oct 27, 87[B62D]
4441621 Pierceable closure member for vialExpiredAug 16, 82Apr 10, 84[B65D]

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