TF

Toshihiro Fujikawa

FC Fuji Engineering Co.: 2 patents #4 of 12Top 35%
KC Kyowa Engineering Consultants Co.: 1 patents #3 of 3Top 100%
Overall (All Time): #1,657,886 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5213304 Valve 1993-05-25
4830045 Breaker valve Itsu Itoh, Mitsuru Urashima 1989-05-16
4676271 Valve capable of bidirectional flow 1987-06-30