Inventor
Sung-Wook Kwon
Inventor
Seoul, KR
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A46Dprimary
A46DManufacture of brushes40%
A46BBrushes31%
A61BDiagnosis3%
B01DSeparation3%
B29CShaping or joining of plastics3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
F24FAir-conditioning3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
H03FAmplifiers3%
PatentTitleYear
9,757,674'Air cleaning device'20178,918,945'Toothbrush with needle-shaped bristles for improving tooth and gum contacting force and teeth-cleaning performance, and method for manufacturing same'20148,522,389'Manufacturing method of needle-shaped bristles having short taper length and a toothbrush by same manufacturing method'20138,424,145'Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof'20138,403,425'Processing method for taper of needle-shaped bristle enhanced throughput'20138,336,967'Method of tapering bristles for toothbrushes, and toothbrush having bristles manufactured by said method'20128,333,436'Processing method for taper of needle-shaped bristle enhanced throughput'20128,186,765'Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same'20128,172,337'Toothbrush having needle-shaped bristles with various end points and manufacturing method thereof'20128,136,889'Needle-shaped bristle and method of manufacturing the same'20128,029,069'Method of manufacturing toothbrush with needle-shaped bristles, and toothbrush manufactured by the same'20117,938,492'Toothbrush having pressure relief unit and method of producing same'20117,832,811'Method of manufacturing toothbrush with needle-shaped bristles and toothbrush manufactured by the same'20107,646,248'Harmonic tuned doherty amplifier'20107,448,693'Toothbrush having needle-shaped bristle tapered at one end and manufacturing method thereof'20087,134,162'Toothbrush having soft and hard bristles together'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to CJ CORP (1)· patent assignee history
2006–2014Based in Seoul, KR· patent location history
2008–2014Patents assigned to KWON SUNG-WOOK (13)· patent assignee history
2008–2014Patents assigned to KWON YOUNG-JUN (13)· patent assignee history
2010–2014Patents assigned to KWON SUNG-HWAN (12)· patent assignee history
2010Based in Dongjak-gu, KR· patent location history
2012–2014Patents assigned to BEST WHASUNG CO LTD (7)· patent assignee history
2017Based in Hwaseong-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KWON SUNG-WOOKself | 13 | 2008–2014 |
| KWON YOUNG-JUN | 13 | 2008–2014 |
| KWON SUNG-HWAN | 12 | 2010–2014 |
| BEST WHASUNG CO LTD | 7 | 2012–2014 |
| CJ CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 14 | 2006–2014 |
| Hwaseong-si, KR | 1 | 2017 |
| Dongjak-gu, KR | 1 | 2010 |