YH

Yukitaka Hayashi

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,305,184 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4639804 Head loading system Yoshihiro Moribe, Hideo Maekawa, Kunitsugu Tsukui 1987-01-27
4490662 Positioning method and apparatus therefor Yoshihiro Moribe, Masahiro Mitamura 1984-12-25
4307393 Trend graph display system Nagaharu Hamada, Toshitaka Hara, Mitsuo Kikkawa 1981-12-22
4200869 Data display control system with plural refresh memories Norio Murayama, Nagaharu Hamada, Toshitaka Hara 1980-04-29