Heon Pyeong Ji

USPTO Granted Patents = 5 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 30(Granted Patents)

Location History:

Seoul, KR (1992)
Changwon Gyeongnam, KR (2003)
Pusankwangyok-shi, KR (2006)
Busan, KR (1993 - 2007)

Company Filing History:

Years Active: 1992-2007

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7310854 - Dust cover of vacuum cleaner (2007-12-25),

2. 7076831 - Device for exhausting in vacuum cleaner (2006-07-18),

3. 6651294 - Device for protecting motor in vacuum cleaner (2003-11-25),

4. 5180040 - Automatic electric card rewinding apparatus with contacts for supplying (1993-01-19),

5. 5134744 - Beater brush roller of vacuum cleaner beater brush assembly (1992-08-04),

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1 patent pending:

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2 patents (EPO):

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