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Inventor
TAKAMIZAWA HIROSHI
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMIZAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
1 patent
US5949587A
Sep 7, 1999
Apparatus and method for producing original plate for optical disc
SONY CORP
21 citations
89
SUMITOMO ELECTRIC INDUSTRIES
1 patent
US6851282B2
Feb 8, 2005
Apparatus and method for making optical fiber
SUMITOMO ELECTRIC INDUSTRIES
9 citations
71