AY

Akira Yamataka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,296,233 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5337033 Permanent magnet assembly for stably fixing denture Yohsuke Kinouchi, Minoru Ai, Hiroshi Mizutani, Osamu Okuno, Kiyotaka Yamauchi +1 more 1994-08-09
4983859 Magnetic device for high-voltage pulse generating apparatuses Shin Nakajima, Hideaki Shimizu, Kiyotaka Yamauchi, Shunsuke Arakawa 1991-01-08