SI

Shigehiro Ishizuka

AL A&D Company, Limited: 2 patents #15 of 79Top 20%
Overall (All Time): #2,241,255 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6106478 Sphygmomanometer utilizing optically detected arterial pulsation displacement Osamu Tochikubo 2000-08-22
5840037 Sphygmomanometer Osamu Tochikubo 1998-11-24