Growing community of inventors

Hwaseong-si, South Korea

Change-Hee Lee

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 5

Change-Hee LeeDong-Hyun Song (3 patents)Change-Hee LeeJang-Hwan Kim (3 patents)Change-Hee LeeJung-Been Im (3 patents)Change-Hee LeeChange-Hee Lee (3 patents)Dong-Hyun SongDong-Hyun Song (16 patents)Jang-Hwan KimJang-Hwan Kim (14 patents)Jung-Been ImJung-Been Im (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Samsung Electronics Co., Ltd. (3 from 132,059 patents)


3 patents:

1. 9460800 - Nonvolatile memory system and refresh method

2. 9336889 - Nonvolatile memory system and refresh method

3. 8675406 - Nonvolatile memory system and refresh method

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as of
1/13/2026
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