MS

Masatoshi Suda

KC Koken Co.: 1 patents #43 of 123Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,725,834 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11000659 Tracheotomy tube having freely openable/closable lateral hole Toshiro Umezaki, Tomoyuki Hasegawa 2021-05-11