YM

Yasuhiro Marukawa

SC Sumitomo Special Metals Co.: 2 patents #96 of 262Top 40%
DC Delta Tooling Co.: 1 patents #50 of 93Top 55%
Overall (All Time): #2,237,814 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6060804 Vibration generating mechanism Etsunori Fujita, Yutaka Sakamoto, Hitoshi Mikami 2000-05-09
5621324 Magnetic field generator for MRI Kimiharu Ota, Masaaki Aoki, Hiroyuki Takeuchi, Hirotaka Takeshima, Chikako Nakamura 1997-04-15