HK

Hiroshi Kawarai

SI Super Silicon Crystal Research Institute: 1 patents #17 of 32Top 55%
TC Tokyo Seimitsu Co.: 1 patents #110 of 257Top 45%
Overall (All Time): #3,570,432 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6178961 Wire saw control method and wire saw Shinji Nagatsuka, Shigeru Okubo, Hiroshi Oishi, Keiichiro Asakawa, Junichi Matsuzaki 2001-01-30