YA

Yumiko Anzai

HI Hitachi: 2 patents #343 of 3,149Top 15%
Overall (1994): #15,358 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5330880 Process for producing optical disks Shinkichi Horigome, Yoshinori Miyamura, Keizo Kato, Hiroshi Shiraishi 1994-07-19
5321672 Method of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domains Harukazu Miyamoto, Yoshio Suzuki, Toshio Niihara, Norio Ohta, Masahiko Takahashi +1 more 1994-06-14