Inventor
TSUCHIYA KOICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITA OPTICAL GLASS
4 patentsUS6333282B1Dec 25, 2001
Optical glass for precision molding
SUMITA OPTICAL GLASS48 citations88
US7141525B2Nov 28, 2006
Optical glass for precision molding
SUMITA OPTICAL GLASS9 citations73
US6784128B2Aug 31, 2004
Optical glass for molding
SUMITA OPTICAL GLASS9 citations73
US12351502B2Jul 8, 2025
Optical glass and optical element
SUMITA OPTICAL GLASS0 citations59