HF

Hideo Fujiwara

HM Hitachi Maxell: 6 patents #2 of 102Top 2%
HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Yokohama, AL: #1 of 1 inventorsTop 100%
Overall (1989): #1,753 of 140,708Top 2%
6
Patents 1989

Issued Patents 1989

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4870523 Magnetic head apparatus used for movable magnetic medium with head gap positioning Osamu Inagoya, Yoshito Tanaka, Takeshi Ohnuki 1989-09-26
4866555 Magnetic head Osamu Inagoya 1989-09-12
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 Osamu Kitakami, Tsuyoshi Maro 1989-05-09
4814920 Magnetic head with a slider Minoru Yamano, Masashi Hayashi, Nobuhiko Naganawa 1989-03-21
4803578 Assembly for stably mounting magnetic head on carriage Akito Sakemoto, Osamu Inagoya 1989-02-07