OK

Osamu Kitakami

HM Hitachi Maxell: 2 patents #7 of 102Top 7%
HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Kokubunji, JP: #17 of 106 inventorsTop 20%
Overall (1989): #18,980 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4840844 Magnetic recording medium Masaaki Futamoto, Yukio Honda, Shinichiro Saito, Takashi Nishimura, Kazuetsu Yoshida +6 more 1989-06-20
4828919 Magnetic recording medium and process for preparing the same Hideo Fujiwara, Tsuyoshi Maro 1989-05-09