Matsutani Seisakusho Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 5235
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 156
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5749897 Surgical needle and mold for manufacturing the sameMar 07, 95May 12, 98[A61B]
5263974 Suture needle and method of and apparatus for grinding material for suture needleAug 06, 92Nov 23, 93[A61B]
5181645 Medical staplerJan 22, 92Jan 26, 93[A61B]
5178628 Suture needle and method of producing sameApr 02, 91Jan 12, 93[A61B]
5155943 Suture needle and method of an apparatus for grinding material for suture needleJan 21, 92Oct 20, 92[B24B]
5143269 Medical staplerJan 22, 92Sep 01, 92[A61B]
5069620 Dental handpieceApr 25, 91Dec 03, 91[A61C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5100432 Surgical suture needle of the taper point typeExpiredJan 16, 91Mar 31, 92[A61B]
5060468 Method and apparatus for producing a surgical staple having two different inclined surfacesExpiredMay 29, 90Oct 29, 91[B21G]
D318529 Surgical staplerExpiredFeb 15, 89Jul 23, 91[]
5022579 Surgical staplerExpiredAug 03, 89Jun 11, 91[A61B]
5022857 Dental burr and dental handpieceExpiredDec 21, 88Jun 11, 91[A61C]
5012066 Method of and apparatus for manufacturing eyeless suture needleExpiredAug 15, 90Apr 30, 91[B23K]
5001323 Method and apparatus for manufacturing surgical needleExpiredDec 08, 89Mar 19, 91[B23K]
4976727 Surgical needleExpiredDec 13, 89Dec 11, 90[A61B]
4955898 Surgical stapleExpiredOct 30, 89Sep 11, 90[A61B]
4935029 Surgical needleExpiredJun 17, 88Jun 19, 90[A61B]
4910377 System for creating holes in surgical needle materialsExpiredMay 08, 89Mar 20, 90[B23K]
4869788 Dental diamond bar and manufacturing method thereofExpiredMay 25, 88Sep 26, 89[C25O]
4799311 Apparatus for attaching suture to surgical needleExpiredFeb 23, 88Jan 24, 89[B41G, B21D]
4722384 Method of and apparatus for attaching suture to operating needleExpiredSep 29, 86Feb 02, 88[B41G]
4700043 Method of forming bore in eyeless operating needleExpiredDec 09, 86Oct 13, 87[B23K]
4611509 Method of manufacturing a dental root canal cutting tool and apparatus thereforExpiredOct 03, 84Sep 16, 86[B24B]
4604884 Twisting apparatus of root canal reamer or file material and method for manufacturing root canal reamer or fileExpiredJul 03, 84Aug 12, 86[B21D]
D283840 Dental reamerExpiredApr 08, 83May 13, 86[]
4501312 Method for forming a hole of eyeless suture needleExpiredSep 21, 81Feb 26, 85[B21G]

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