SM

Sinji Mitsuhashi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,918,819 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797068 Vacuum evacuation system Tadashi Hayakawa, Kazuaki Shiinoki, Kotaro Naya 1989-01-10