NAKANISHI DENTAL MFG. CO., LTD.
Patent Owner
Stats
- 9 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 08, 1997 most recent publication
Details
- 9 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 393 Total Citation Count
- May 12, 1978 Earliest Filing
- 16 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5617759 Mechanism for machining and grinding tool for converting rotational movement into reciprocating movementJun 12, 95Apr 08, 97[F16H]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4797098 Apparatus for dental treatment provided with check valve in fluid passageExpiredApr 22, 87Jan 10, 89[F27D]
4619614 Rotational coupling device for a dental handpiece having a built-in batteryExpiredAug 31, 84Oct 28, 86[A61C]
4595363 Dental handpiece having means for opening and closing a chuckExpiredAug 02, 84Jun 17, 86[A61C]
4493645 Device for opening and closing a chuck for a dental handpieceExpiredJun 30, 83Jan 15, 85[A61C]
4202102 Device for opening and closing a chuck for a dental handpieceExpiredMay 12, 78May 13, 80[A61C]
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