KM

Katsuya Mitsuoka

HI Hitachi: 2 patents #339 of 2,942Top 15%
HM Hitachi Maxell: 1 patents #19 of 84Top 25%
Overall (1997): #34,145 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5671107 Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength Hiroshi Fukui, Makoto Aihara, Masanori Tanabe, Moriaki Fuyama, Shinji Narishige +8 more 1997-09-23
5639547 Magnetic heads and magnetic recording reproducing devices using magnetic laminations Yutaka Sugita, Hideo Fujiwara 1997-06-17