HO

Hiroshi Ohnuma

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #2,142,102 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7317315 Magnetic azimuth measurement apparatus Manabu Aizawa 2008-01-08
5706880 Vacuum casting method and vacuum casting apparatus Kimio Kubo, Akira Mikami, Taichi Ikejiri, Katuhiro Kurose, Hiroyuki Hagiwara 1998-01-13