YOSHINO GYPSUM CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 1553
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM9148
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 453
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 438
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 424
 
  
 
B28C PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER 411
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 417
 
  
 
B22C FOUNDRY MOULDING 325
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 344
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0297,964 GYPSUM FERTILIZER FOR BLUEBERRIES AND METHOD FOR SUPPRESSING BLUEBERRY ABSCISSIONDec 24, 15Oct 19, 17[C05D, C05B, A01G, A01C]
2017/0008,192 MIXER, MIXING METHOD, AND METHOD FOR PRODUCING LIGHTWEIGHT GYPSUM BOARDNov 17, 14Jan 12, 17[B28B, B28C, B01F]
2016/0082,488 DEBRIS PROCESSING COMPOSITION AND DEBRIS PROCESSING METHODMar 13, 14Mar 24, 16[B09B, C08K]
2015/0315,074 MIXING AND STIRRING DEVICE, MIXING AND STIRRING METHOD, AND METHOD FOR MANUFACTURING LIGHTWEIGHT GYPSUM BOARDNov 27, 13Nov 05, 15[C04B, B01F]
2015/0268,183 METHOD OF DETECTING AIR GAP IN GYPSUM-BASED BUILDING BOARD AND METHOD OF MANUFACTURING GYPSUM-BASED BUILDING BOARDJun 17, 13Sep 24, 15[G06T, G01N]
2015/0117,953 INSOLUBILIZING AGENT FOR SPECIFIC TOXIC SUBSTANCES, METHOD FOR INSOLUBILIZING SPECIFIC TOXIC SUBSTANCES USING SAME, AND SOIL IMPROVING METHODMar 28, 13Apr 30, 15[B09C, B01J, A62D, C01F]
2014/0335,365 GYPSUM BOARD HAVING MOLD RESISTANCEJul 22, 14Nov 13, 14[B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9901101 Method for selectively inhibiting sulfate-reducing bacterium, gypsum composition capable of inhibiting proliferation of sulfate-reducing bacterium by said method, gypsum-type solidifying material, and gypsum-type building materialAug 09, 13Feb 27, 18[A01N, C04B]
9856168 Mixing and stirring device, method, and method for manufacturing lightweight gypsum board, including chute with eccentric orifice passageNov 27, 13Jan 02, 18[C04B, B28C, B01F]
9851318 Method of detecting air gap in gypsum-based building board and method of manufacturing gypsum-based building boardJun 17, 13Dec 26, 17[B28B, G06T, G01N]
9834480 Gypsum-based embedding material composition for castingApr 17, 13Dec 05, 17[C04B, B22C]
9802867 Gypsum hardened body, gypsum panel, method for manufacturing gypsum hardened body, and method for manufacturing gypsum boardMay 23, 14Oct 31, 17[C04B, E04C]
9718121 Casting investment composition and casting process using sameJun 17, 13Aug 01, 17[A61C, B22C]
9656303 Device and method for cleaning conveying surfaceNov 07, 10May 23, 17[B08B, B65G]
9651500 Sizing defect detection system and sizing defect detection methodMay 23, 14May 16, 17[G01N, B32B]
9643239 Casting investment composition and casting process using sameJun 17, 13May 09, 17[A61C, B22C]
9630884 Coloring agent composition and method for producing sameSep 18, 14Apr 25, 17[C04B, A61C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0107,935 LIQUID DISPERSANT COMPOSITION FOR GYPSUMAbandonedJun 19, 14Apr 21, 16[C04B]
2015/0031,836 GYPSUM DISPERSANTAbandonedMar 14, 13Jan 29, 15[C08G, C04B]
2012/0153,058 METHOD OF RECOVERING A BASE PAPER FOR GYPSUM BOARD AND APPARATUS OF RECOVERING A BASE PAPER FOR GYPSUM BOARDAbandonedJan 19, 12Jun 21, 12[B02C]
2010/0190,017 GYPSUM BOARD HAVING MOLD RESISTANCEAbandonedMay 27, 08Jul 29, 10[B32B]
2010/0043,344 COMPOSITION FOR BUILDING MATERIAL, AND GYPSUM BOARD AND CONSTRUCTION METHOD USING THEM AND WALL AND THE LIKEAbandonedSep 29, 06Feb 25, 10[E04B, B32B]
2002/0164,458 Electromagnetic wave-shielding construction material and method for producing the sameAbandonedNov 27, 01Nov 07, 02[B32B]
4748196 Water repellent compositionExpiredSep 18, 86May 31, 88[C08L]
4204030 Organopolysiloxane sized paperboards for gypsum wallboardsExpiredSep 28, 77May 20, 80[B32B]

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