Growing community of inventors

Seongnam-si, South Korea

Changho Song

Average Co-Inventor Count = 4.29

ph-index = 2

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 = 13

Changho SongKisang Yoon (3 patents)Changho SongInpyo Lee (3 patents)Changho SongNamhun Kim (3 patents)Changho SongYang Su Kim (2 patents)Changho SongInpyo Lee (1 patent)Changho SongJinwuk Lee (1 patent)Changho SongKisang Yoon (1 patent)Changho SongChangho Song (4 patents)Kisang YoonKisang Yoon (43 patents)Inpyo LeeInpyo Lee (6 patents)Namhun KimNamhun Kim (3 patents)Yang Su KimYang Su Kim (4 patents)Inpyo LeeInpyo Lee (1 patent)Jinwuk LeeJinwuk Lee (1 patent)Kisang YoonKisang Yoon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Samsung Electronics Co., Ltd. (3 from 131,744 patents)

2. Breathings Co., Ltd. (1 from 1 patent)


4 patents:

1. 12440122 - Mouthpiece assembly for respiration measurement device

2. D909583 - Breathing monitoring device

3. D853567 - Spirometer

4. D852959 - Mouthpiece for spirometer

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/5/2026
Loading…