SY

Sakari Yokoyama

NK Nihon Kohden: 2 patents #171 of 467Top 40%
Overall (All Time): #2,308,319 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5101808 Outside-of-thorax type negative pressure artificial respirator Naoki Kobayashi, Takashi Nakaya 1992-04-07
4945899 Method of and apparatus for artificial respiration in synchronism with voluntary breathing of a patient Yoshihiko Sugiyama, Muneshige Kurahashi, Tadayuki Ishihara 1990-08-07