TK

Toshimichi Koyanagi

📍 Kashihara, JP: #104 of 287 inventorsTop 40%
Overall (All Time): #1,671,317 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4850912 Container for sealingly containing a fluid 1989-07-25
4708167 Check valve 1987-11-24
4674532 Check valve 1987-06-23