NAKANISHI INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
2402 MEDICAL INSTRUMENTS, INSTRUMENTS AND TOOLS FOR LABORATORY USE3314
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 2829
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 665
 
  
 
2401 APPARATUS AND EQUIPMENT FOR DOCTORS, HOSPITALS AND LABORATORIES528
 
  
 
2403 PROSTHETIC ARTICLES510
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 4236
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 264
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0071,051 POWDER MIXED GAS GENERATORMar 02, 16Mar 15, 18[A61C]
2017/0215,991 ELECTRIC MOTOR AND DENTAL DEVICEJul 30, 15Aug 03, 17[H02K, A61C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9895204 Dental handpiece of center-injection typeMar 04, 10Feb 20, 18[A61C]
9827069 Dental handpiece control apparatusJan 11, 13Nov 28, 17[A61C]
9737626 Autoclave for medical-dental useMay 28, 12Aug 22, 17[A61L]
D788311 Portable dental equipmentJul 03, 15May 30, 17[2401]
9649397 SterilizerJun 04, 13May 16, 17[A61L]
9511157 Steam steriliserDec 10, 12Dec 06, 16[A61L, C02F]
9468503 Drive motor of dental handpieceSep 20, 13Oct 18, 16[H02K, A61C]
D768313 AutoclaveMar 03, 15Oct 04, 16[2401]
D767766 Portable dental equipmentJul 03, 15Sep 27, 16[2402]
D760915 AutoclaveMar 03, 15Jul 05, 16[2401]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0015,479 DENTAL HANDPIECE HAVING NOZZLE CONNECTION STRUCTUREAbandonedMar 05, 14Jan 21, 16[A61C]
2014/0030,673 DENTAL HANDPIECEAbandonedNov 17, 11Jan 30, 14[A61C]
2013/0137,060 Dental HandpieceAbandonedNov 23, 12May 30, 13[A61C]
2012/0301,843 DENTAL HANDPIECE WITH SWITCHING VALVE FOR FLUID LINESAbandonedMay 24, 12Nov 29, 12[A61C]
2010/0239,997 COUPLING WITH BUILT-IN LIGHT SOURCEAbandonedMar 22, 10Sep 23, 10[A61B, A61C]
2008/0214,989 Biopolymer Powder Gelating/Jetting ApparatusAbandonedDec 07, 04Sep 04, 08[A61M]
2007/0265,653 MEDICAL HANDPIECEAbandonedMay 09, 07Nov 15, 07[A61B]
7248792 Dental water heaterExpiredSep 13, 05Jul 24, 07[F24H]
2006/0286,505 Dental handpiece with pressure regulating mechanismAbandonedJun 12, 06Dec 21, 06[A61C]
2006/0053,639 Replacement blade and holder for reciprocating sawAbandonedSep 13, 05Mar 16, 06[B26B]
2005/0008,985 Fluid supply connectorAbandonedJun 09, 04Jan 13, 05[A61C]
6821120 Dental handpiece with tool holderExpiredMay 21, 02Nov 23, 04[A61C]
2004/0098,006 Medical handpiece and cutting tool thereforAbandonedJul 16, 03May 20, 04[A61B]
6599124 Dental handpiece with angular contact ball bearingsExpiredFeb 13, 02Jul 29, 03[A61C]
6561801 Light guide unit, method for producing the same, and dental handpiece having light guide unitExpiredMay 02, 00May 13, 03[A61C]
2002/0146,663 Torque control unit, drilling system for implant surgery having torque control unit, and method for controlling torque with torque control unitAbandonedJan 24, 02Oct 10, 02[A61C]
6315559 Prophy headExpiredFeb 29, 00Nov 13, 01[A61C]
6099308 Dental handpiece with dust control mechanismExpiredOct 25, 99Aug 08, 00[A61C]
6042377 Dental handpiece with detachable motorExpiredSep 22, 98Mar 28, 00[A61C]
5911579 Dental handpiece with baffle for stabilizing rolling bearing cageExpiredJun 05, 98Jun 15, 99[A61C]

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