KK

Keizo Kato

HI Hitachi: 4 patents #57 of 3,149Top 2%
Overall (1994): #5,602 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5338178 Embossing metal hold Shinkichi Horigome, Ryo Suzuki, Masaru Ito 1994-08-16
5330880 Process for producing optical disks Shinkichi Horigome, Yoshinori Miyamura, Yumiko Anzai, Hiroshi Shiraishi 1994-07-19
5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus Seiji Yonezawa, Keiji Kataoka, Hajime Fukke, Tsuneo Terasawa, Harukazu Miyamoto +3 more 1994-03-22
5295121 Magneto-optic recording/reproducing method and device and magneto-optic recording medium used for them Hirofumi Sukeda 1994-03-15