Kohjin Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
A23K FODDER130
 
  
 
B44F SPECIAL DESIGNS OR PICTURES110
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
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
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
1402 DATA PROCESSING EQUIPMENT AS WELL AS PERIPHERAL APPARATUS AND DEVICES162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D615082 Portable terminal deviceSep 17, 09May 04, 10[1402]
5968810 Stress-relieving feedMar 24, 97Oct 19, 99[A01N, A23K]
5672656 Temperature sensitive water absorbing and discharging polymer compositionSep 05, 95Sep 30, 97[C08L]
5667813 Mandrel for coolingJul 08, 96Sep 16, 97[B29C]
5635286 Heat shrinkable polyethylene laminate filmDec 21, 94Jun 03, 97[B32B, B65B]
5593703 Mandrel for coolingJan 17, 95Jan 14, 97[B29C]
5587515 Method of manufacturing N-monosubstituted (meth)acrylamidesJul 22, 94Dec 24, 96[C07C]
5518119 Heat-seal package and method of packagingJan 25, 94May 21, 96[B65D]
5338584 Artificial granite solid materialNov 02, 90Aug 16, 94[B44F]
5306549 Biaxially stretched polyethylene filmMar 27, 91Apr 26, 94[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6855360 Sweetness improving agent and foods containing the sameExpiredNov 19, 02Feb 15, 05[A23L]
2003/0159,836 Fire-extingushing agent, water for fire extinguishing and method of fire extinguishingAbandonedMar 03, 03Aug 28, 03[A62D]
6352762 Easily adhesive polyamide filmExpiredFeb 24, 99Mar 05, 02[B32B]
5759675 Multi-layer stretchable, shrinkable polyethylene film and process for the preparation thereofExpiredMay 17, 96Jun 02, 98[B32B, B65B]
5691049 Heat shrinkable polyolefin laminate filmExpiredMay 24, 96Nov 25, 97[B32B, B65B]
5620803 Heat shrinkable polypropylene laminate filmExpiredMay 29, 96Apr 15, 97[B32B]
5573827 Fine dot-like tone decorative laminates containing pigmented fibersExpiredJul 21, 94Nov 12, 96[D21F, B32B]
5545467 Paper additive for hot-pressed forms and hot-pressed forms using itExpiredDec 23, 94Aug 13, 96[B32B]
5525692 Dewatering agent for sludgeExpiredDec 28, 94Jun 11, 96[C08F]
5500259 Artificial granite solid materialExpiredMar 16, 95Mar 19, 96[B44F]
5498409 Material for adsorbing pyrogenExpiredFeb 10, 93Mar 12, 96[A61K, C08L]
5401499 Method of adsorbing pyrogensExpiredFeb 10, 93Mar 28, 95[A61K, B01D]
5376392 Food packaging bagExpiredMay 05, 92Dec 27, 94[B65D, B32B]
5292950 N,N-dialkylaminoalkyl (meth) acrylamide composition with improved storageabilityExpiredNov 13, 90Mar 08, 94[C07C]
5262221 Heat-sensitive stencil paperExpiredDec 06, 91Nov 16, 93[B41N]
5223639 Process for producing N-(3', 4'-dimethoxycinnamoyl)-anthranilic acidExpiredJun 07, 91Jun 29, 93[C07C]
5132074 Process of making stretchable, heat shrinkable polyethylene filmExpiredAug 15, 89Jul 21, 92[B29C]
5126211 Biaxially oriented polyamide film and method for producing the sameExpiredMay 17, 90Jun 30, 92[B29C, B32B]
5051279 High-grade thermal recording sheet and a method of making the sameExpiredOct 23, 89Sep 24, 91[B41M]
5049159 Deodorizing material and process for producing the same: cellulose fibers treated with copper hydroxide or zinc hydroxide colloid solutionExpiredDec 13, 89Sep 17, 91[D21H, D06M, A61L]

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