RENGO CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 593
 
  
 
B31B MAKING BOXES, CARTONS, ENVELOPES, OR BAGS 423
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B41F PRINTING MACHINES OR PRESSES 242
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 262
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 229
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 236
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0349,323 CORRUGATED PAPERBOARD BOX, PERFORATION FORMING METHOD FOR PERFORATING CORRUGATED PAPERBOARD SHEET, AND PERFORATION FORMING DEVICE AND PERFORATION FORMING UNIT FOR PERFORATING CORRUGATED PAPERBOARD SHEETMay 17, 16Dec 07, 17[B31B, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9821925 Method and device for assembling height-adjustable boxJan 17, 13Nov 21, 17[B65D, B65B]
8491141 Photoluminescent material containing silver ionJul 27, 11Jul 23, 13[F21V]
8383526 Sheet for total heat exchangerJun 04, 07Feb 26, 13[B32B]
8277911 Anticorrosion compositionJun 27, 07Oct 02, 12[C09K, C23F]
7910209 Cellulose granules for carrying functional substancesDec 21, 07Mar 22, 11[C08B]
7892334 Package of volatile substance and air conditioner for vehicles provided with the packageApr 12, 05Feb 22, 11[B65D, B01D]
7823507 Printing die clampApr 27, 06Nov 02, 10[B41F]
7578778 Creasing deviceApr 13, 06Aug 25, 09[B31B]
6372333 Composition containing inorganic porous crystals-hydrophilic macromolecule composite and product made therefromFeb 24, 99Apr 16, 02[D21H]
6124219 Functional material containing volatile agentAug 25, 98Sep 26, 00[B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0072,476 SHEET FEED DEVICEAbandonedApr 26, 06Mar 19, 09[B65H]
2009/0062,094 CREASING/SLOTTING DEVICEAbandonedApr 20, 06Mar 05, 09[B31B]
2008/0008,732 Chalkbrood DetermentAbandonedDec 15, 05Jan 10, 08[A01P, A01N]
7021526 Packaging caseExpiredMar 07, 03Apr 04, 06[B65D]
6913807 Isothiocyanate-containing compositionExpiredMay 30, 03Jul 05, 05[B32B]
6894001 Functional material containing volatile agentExpiredAug 27, 02May 17, 05[B41M]
6838544 Polyol polymers, meso-erythritol polymers and their aliphatic acid esters and aliphatic ethersExpiredJun 06, 02Jan 04, 05[C08G]
2001/0009,717 POROUS CELLULOSE SHEET AND METHOD FOR MANUFACTURING THE SAMEAbandonedAug 25, 98Jul 26, 01[B32B, B01D]
6225461 Cellulose microspheres and method of manufacturing the sameExpiredDec 10, 98May 01, 01[C07B]
5962005 Transparent cellulose hydrogel and production process thereofExpiredApr 15, 98Oct 05, 99[A61F, B01J]
5928661 Controlled release composition containing volatile compoundExpiredMay 29, 97Jul 27, 99[A01N]
5880150 Antimicrobial agent containing allyl isothiocyanate and method for controlling release speed of allyl isothiocyanateExpiredJul 10, 95Mar 09, 99[A01N, B65D]
5709870 Antimicrobial agentExpiredOct 18, 95Jan 20, 98[A01N]
5439866 Silver-containing tobermoriteExpiredNov 01, 93Aug 08, 95[B01J]
5424026 Method and apparatus for compressively molding cushioning material made from recycled paper or pulpExpiredFeb 04, 94Jun 13, 95[B29C]
5344595 Method of producing a cushion from waste paper or pulpExpiredMar 15, 93Sep 06, 94[B29C, B32B]
5050852 Blank feeder and method for controlling the sameExpiredAug 17, 90Sep 24, 91[B65H]
4906679 Adhesives useful for production of corrugated boardExpiredNov 29, 88Mar 06, 90[C08K]
4824696 Production process and adhesives for corrugated boardExpiredOct 30, 85Apr 25, 89[B05D]
4798110 Method for positioning toolsExpiredNov 04, 81Jan 17, 89[B26D, G05B, B23D]

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