TO

Takayoshi Ohtsu

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #62,556 of 165,921Top 40%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5307214 Magnetic recording apparatus Kanji Kawakami, Yoshiakira Karakama, Masayuki Takagi, Hisayasu Honma, Tetsuo Kobayashi +2 more 1994-04-26