YH

Yoshiyuki Hirayama

HI Hitachi: 4 patents #260 of 3,950Top 7%
📍 Kokubunji, JP: #12 of 123 inventorsTop 10%
Overall (2002): #10,817 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6447936 Magnetic recording medium and magnetic recording apparatus using the same Masaaki Futamoto, Nobuyuki Inaba, Yukio Honda, Kazuetsu Yoshida, Kenya Ito 2002-09-10
6403203 Magnetic recording medium and magnetic recording apparatus using the same Masaaki Futamoto, Nobuyuki Inaba, Yukio Honda, Kazuetsu Yoshida, Kenya Ito 2002-06-11
6383667 Magnetic recording medium Masaaki Futamoto, Nobuyuki Inaba, Teruaki Takeuchi, Yukio Honda 2002-05-07
6349008 Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same Takanobu Takayama, Kiwamu Tanahashi, Kazuetsu Yoshida, Mikio Suzuki, Masaaki Futamoto +1 more 2002-02-19