Inventor

Mingchih M. Tseng

Inventor

Hingham, MA, US

Overview

43→

Patents

1992–2012

Patent span

Human necessities

Primary field (CPC A)

Patents· 43 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes16%

A61QSpecific use of cosmetics or similar toiletry preparations16%

B26BHand-held cutting tools not otherwise provided for16%

A46BBrushes10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

A46DManufacture of brushes6%

A61CDentistry6%

Y10TTechnical subjects covered by former us classification5%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles3%

PatentTitleYear

8,156,600'Gum massaging oral brush'2012 7,338,664'Color changing matrix as wear indicator'2008 7,069,658'Shaving system'2006 6,944,952'Shaving system'2005 6,594,904'Shaving system'2003 6,497,458'Bristle for a toothbrush'2002 6,442,839'Shaving system'2002 6,327,736'Bristle for a toothbrush'2001 6,298,558'Skin engaging member'2001 D0447283'Shaving aid strip for a razor cartridge'2001 6,185,822'Shaving system'2001 6,182,365'Skin engaging member for razor blade assembly'2001 6,151,745'Gum-massaging oral brush'2000 D0424745'Shaving aid strip for razor cartridge'2000 D0422380'Shaving aid strip for razor cartridge'2000 6,029,678'\"Gel\" dental floss'2000 6,027,592'Dental floss'2000 6,017,477'Extrusion apparatus and process'2000 5,998,431'Sustained-release matrices for dental application'1999 5,987,688'Gum-massaging oral brush'1999 5,956,848'Shaving system'1999 5,926,901'Foam grip'1999 5,915,791'Shaving system with improved guard structure'1999 5,906,834'Color changing matrix as wear indicator'1999 5,904,152'Dental floss'1999 5,875,797'Dental floss'1999 5,876,134'Foam grip'1999 5,851,551'Sustained-release matrices for dental application'1998 5,845,652'Dental floss'1998 D0401014'Shaving aid strip for razor cartridge'1998 5,779,471'Delivery of substance to the mouth'1998 5,723,132'Sustained-release matrices for dental application'1998 5,711,076'Shaving system with improved guard structure'1998 5,653,971'Shaving aid composite with an inclusion complex of a skin-soothing agent and a cyclodextrin'1997 5,626,154'Method and system for shaving including a lubricant and a water-swellable polymer'1997 5,551,152'Shaving system'1996 5,454,164'Wet shaving system with a lubricating device'1995 5,349,750'Shaving system'1994 5,340,581'Sustained-release matrices for dental application'1994 5,313,909'Brush filaments'1994 5,283,924'Interdental foam brush and treatment gel combination therewith'1994 5,113,585'Shaving system'1992 5,095,619'Shaving system'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2012Patents assigned to GILLETTE CO (29)· patent assignee history

1992–2012Based in Hingham, MA, US· patent location history

1994–2000Patents assigned to GILLETTE CANADA (11)· patent assignee history

2001–2002Patents assigned to BRAUN GMBH (2)· patent assignee history

2012Patents assigned to BATSON SCOTT (1)· patent assignee history

2012Patents assigned to MASTERMAN THOMAS CRAIG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GILLETTE CO	29	1992–2012
GILLETTE CANADA	11	1994–2000
BRAUN GMBH	2	2001–2002
BATSON SCOTT	1	2012
MASTERMAN THOMAS CRAIG	1	2012

Locations

Location	Patents	Span
Hingham, Massachusetts, US	43	1992–2012