YK

Yoshiharu Koike

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,670,857 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4835640 Magnetic head having a stabilized zirconia slider Juro Endo, Shiro Murakami, Yukiharu Takada 1989-05-30
4709284 Magnetic recording device having a stabilized zirconia slider and a cobalt based recording medium Juro Endo, Shiro Murakami, Yukiharu Takada 1987-11-24
4681813 Ceramic substrate for a thin layer magnetic head Hirohide Yamada, Masahiko Sakakibara 1987-07-21