MS

Minoru Shirakawa

JQ Japan Super Quartz: 2 patents #15 of 36Top 45%
📍 Akita, JP: #117 of 283 inventorsTop 45%
Overall (All Time): #2,072,280 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8585346 Handling device and handling method of quartz glass crucible Manabu Shonai, Taira Sato, Hiroshi Takahashi, Shuichi Ikehata 2013-11-19
8449352 Carbon electrode grinding apparatus Masanori Fukui, Tadashi Nemoto, Tadashi Sato 2013-05-28