MK

Masato Kokubu

SD Showa Denko: 2 patents #6 of 74Top 9%
Overall (2004): #51,650 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6818331 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus Akira Sakawaki, Kenji Shimizu, Hiro Mochizuki, Hui Yang, Masakazu Kobayashi +1 more 2004-11-16
6686072 Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus Akira Sakawaki, Hiroshi Sakai 2004-02-03