KU

Katsushi Umezawa

UL Usui Kokusai Sangyo Kaisha Limited: 8 patents #25 of 145Top 20%
📍 Numazu, JP: #207 of 856 inventorsTop 25%
Overall (All Time): #667,781 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5749138 Connecting and fixing method for metallic pipes with small diameter Masayoshi Usui 1998-05-12
5580100 Connecting joint for plastic tube Kazumi Fukaya, Tsuyoshi Aoki 1996-12-03
5575512 Pipe joint 1996-11-19
5492376 Connecting and fixing method for metallic pipes with small diameter Masayoshi Usui 1996-02-20
5437483 Flexible hose joint 1995-08-01
5328216 Thin pipe connecting joint Yuji Miyauchi 1994-07-12
5324081 Connector for pipes having a small diameter 1994-06-28
5314216 Thin resin tube connecting coupling with flanged insert 1994-05-24