Inventor
KUMAKURA KAZUHIRO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KUMAKURA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHINETSU CHEMICAL CO
4 patentsUS6333284B1Dec 25, 2001
Synthetic fused silica member
SHINETSU CHEMICAL CO16 citations82
US12240972B2Mar 4, 2025
Method for producing vinyl chloride type polymer
SHINETSU CHEMICAL CO0 citations58
US6303712B1Oct 16, 2001
Process for producing vinyl chloride polymer
SHINETSU CHEMICAL CO1 citations50
US12252564B2Mar 18, 2025
Method for producing vinyl chloride type polymer
SHINETSU CHEMICAL CO0 citations47