Growing community of inventors

Gyeonggi-do, South Korea

Heaung Shig Oh

Average Co-Inventor Count = 3.00

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

Heaung Shig Oh ↔ Myung Keun Noh (1 patent)Heaung Shig Oh ↔ Tae-Kyong Hwang (1 patent)Heaung Shig Oh ↔ Tae Kyong Hwang (0 patent)Heaung Shig OhHeaung Shig Oh (1 patent)Myung Keun NohMyung Keun Noh (2 patents)Tae-Kyong HwangTae-Kyong Hwang (1 patent)Tae Kyong HwangTae Kyong Hwang (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lot Vacuum Co., Ltd. (1 from 7 patents)


1 patent:

1. 7611340 - Composite dry vacuum pump having roots and screw rotor

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as of
1/7/2026
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