Inventor
KAWASHIMA AKIHIRO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KOKAN KK
4 patentsUS5200040AApr 6, 1993
Method for rectification and apparatus therefor
NIPPON KOKAN KK9 citations73
US5246535ASep 21, 1993
Method and apparatus for controlling the diameter of a silicon single crystal
NIPPON KOKAN KK13 citations71
US5176787AJan 5, 1993
Method and apparatus for measuring the diameter of a silicon single crystal
NIPPON KOKAN KK11 citations71
US5164039ANov 17, 1992
Apparatus for controlling the diameter of silicon single crystal
NIPPON KOKAN KK4 citations60