MM

Motoyoshi Murakami

Sumitomo Electric Industries: 5 patents #127 of 4,178Top 4%
Canon: 1 patents #1,008 of 2,442Top 45%
Overall (2004): #7,961 of 270,089Top 3%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6826131 Magneto-optical recording medium having multiple magnetic layers Yuuko Kawaguchi 2004-11-30
6791908 Magneto-optical recording medium having a transfer control layer Takeshi Sakaguchi, Yasumori Hino 2004-09-14
6788624 Method and apparatus for reproducing information from a magneto-optical recording medium Keiji Nishikiori 2004-09-07
6767697 Magneto-optical disk and method for producing same by initializing with a laser having a predetermined wavelength Kiyoshi Uchida, Yasumori Hino, Norio Miyatake 2004-07-27
6747919 Magneto-optical recording medium, and method and apparatus for producing the same Yuuko Kawaguchi, Masahiro Birukawa, Tsutomu Shiratori, Yasuyuki Miyaoka 2004-06-08