TU

Toshiro Umezaki

KC Koken Co.: 1 patents #43 of 123Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,725,835 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

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