HF

Hiroshi Fukui

HI Hitachi: 2 patents #339 of 2,942Top 15%
Canon: 2 patents #487 of 2,200Top 25%
SO Sony: 1 patents #385 of 1,361Top 30%
Overall (1997): #4,466 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5671107 Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength Katsuya Mitsuoka, Makoto Aihara, Masanori Tanabe, Moriaki Fuyama, Shinji Narishige +8 more 1997-09-23
5668685 Magnetic disc apparatus Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Eiji Ashida, Moriaki Fuyama +3 more 1997-09-16
5663761 Solid-state image pick-up apparatus with two channels 1997-09-02
5638098 Document processing apparatus for controlling fixation of recorded ink Kazuya Iwata, Yoshiaki Hayashi, Jun Katayanagi 1997-06-10
5610634 Recording apparatus Takayuki Murata, Shinichi Omo, Akira Kuronuma 1997-03-11