SN

Shigeki Nishimura

NC Nippon Koei Co.: 1 patents #1 of 4Top 25%
TG Tokyo Metropolitan Government: 1 patents #1 of 4Top 25%
TS Tokyo Metropolitan Sewerage Service: 1 patents #1 of 4Top 25%
Overall (2017): #243,266 of 506,227Top 50%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9850649 Vortex flow type water surface control device for draining device Hiromi Watanabe, Hiroshi Komatsu, Shigeru Tsukada 2017-12-26