Inventor

KUMATA TOMOICHI

JP2 patents

⚠️ This page may combine multiple inventors who share the name “KUMATA TOMOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIN ETSU QUARTZ PROD CO LTD

1 patent

US12286374B2Apr 29, 2025

Titanium-containing quartz glass having excellent UV absorption, and method for producing same

SHIN ETSU QUARTZ PROD CO LTD0 citations52

SATO TATSUHIRO

1 patent

US9067823B2Jun 30, 2015

Synthetic silica glass, especially for the cladding of an optical fiber and a manufacturing method for the synthetic silica glass

SATO TATSUHIRO0 citations30