Growing community of inventors

Seongnam-si, South Korea

Sang-gil Ryu

Average Co-Inventor Count = 6.00

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 = 0

Sang-gil Ryu ↔ Sangwon Shim (1 patent)Sang-gil Ryu ↔ Yu Jin Nam (1 patent)Sang-gil Ryu ↔ Doyeoun Hwang (1 patent)Sang-gil Ryu ↔ Min Hwan Choi (1 patent)Sang-gil Ryu ↔ Sungju Yu (1 patent)Sang-gil RyuSang-gil Ryu (1 patent)Sangwon ShimSangwon Shim (1 patent)Yu Jin NamYu Jin Nam (1 patent)Doyeoun HwangDoyeoun Hwang (1 patent)Min Hwan ChoiMin Hwan Choi (1 patent)Sungju YuSungju Yu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Philoptics Co., Ltd (1 from 5 patents)


1 patent:

1. 12303999 - Laser processing system using Bessel beam and method for processing workpiece using Bessel beam

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as of
1/23/2026
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