Growing community of inventors

Busan, South Korea

Ri-Sang Choi

Average Co-Inventor Count = 7.39

ph-index = 4

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 = 26

Ri-Sang ChoiSang-Eon Park (4 patents)Ri-Sang ChoiKi-Won Jun (4 patents)Ri-Sang ChoiYoung-Sam Oh (4 patents)Ri-Sang ChoiYoung-Soon Baek (4 patents)Ri-Sang ChoiTaek-Yong Song (4 patents)Ri-Sang ChoiHyun-Seog Roh (2 patents)Ri-Sang ChoiSeung-Chan Baek (2 patents)Ri-Sang ChoiJeong-Hwan Lee (1 patent)Ri-Sang ChoiWon-Ihl Cho (1 patent)Ri-Sang ChoiRi-Sang Choi (4 patents)Sang-Eon ParkSang-Eon Park (16 patents)Ki-Won JunKi-Won Jun (14 patents)Young-Sam OhYoung-Sam Oh (4 patents)Young-Soon BaekYoung-Soon Baek (4 patents)Taek-Yong SongTaek-Yong Song (4 patents)Hyun-Seog RohHyun-Seog Roh (4 patents)Seung-Chan BaekSeung-Chan Baek (2 patents)Jeong-Hwan LeeJeong-Hwan Lee (1 patent)Won-Ihl ChoWon-Ihl Cho (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,912 patents)

2. Korea Research Institute of Chemical Technology (2 from 625 patents)

3. Korea Gas Corporation (2 from 48 patents)

4. Kyungdong City Gas Co. Ltd. (1 from 1 patent)


4 patents:

1. 7232553 - Plate type steam reformer

2. 7214251 - Compact steam reformer

3. 6808652 - Modified ⊖-alumina-supported nickel reforming catalyst and its use for producing synthesis gas from natural gas

4. 6693060 - Modified &thgr;-Al2O3-supported nickel reforming catalyst and its use for producing synthesis gas from natural gas

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idiyas.com
as of
1/9/2026
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