KK

Katsumi Koyama

TC Tgk Co.: 2 patents #3 of 7Top 45%
Overall (2005): #48,292 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6883545 Three-way switching valve — 2005-04-26
6860294 Four-way switching valve Hisatoshi Hirota, Tokumi Tsugawa 2005-03-01