YY

Yasutaro Yasuda

OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
TC Toagosei Chemical Industry Co.: 1 patents #32 of 115Top 30%
Overall (All Time): #3,956,201 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4759991 Magnetic recording medium having a lubricating coating layer Toshiyuki Kanno, Hitoshi Watanabe, Shiro Kojima, Hiroyuki Kato, Takashi Tsuda +1 more 1988-07-26