JR

Jong Joo Rha

KM Korea Institute Of Machinery & Materials: 1 patents #283 of 729Top 40%
Overall (All Time): #1,987,554 of 4,157,543Top 50%
2
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Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9725789 Apparatus for manufacturing compound powder, method of manufacturing iron-boron compound powder by using the apparatus, boron alloy powder mixture, method of manufacturing the boron alloy powder mixture, combined powder structure, method of manufacturing the combined powder structure, steel pipe, and method of manufacturing the steel pipe Kee-Seok Nam, Jung-Dae Kwon, Hee-Chan Ahn, Tae-Su Lim 2017-08-08
8524098 Method for forming nano size turf on transparent polymer films used in solar cells, and method for enhancing transmittance of transparent polymer films of solar cells Koo Lee, Yong-Soo Jeong, Wan-Doo Kim 2013-09-03