TK

Tomoichi Kumata

HQ Heraeus Quarzglas: 2 patents #96 of 287Top 35%
SC Shin-Etsu Quartz Products Co.: 2 patents #44 of 149Top 30%
📍 Koriyama, JP: #104 of 266 inventorsTop 40%
Overall (All Time): #1,709,500 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12286374 Titanium-containing quartz glass having excellent UV absorption, and method for producing same Atsushi Shimada, Katsuhide Orikasa, Makoto Tanaka, Hiromi Tarukawa 2025-04-29
9067823 Synthetic silica glass, especially for the cladding of an optical fiber and a manufacturing method for the synthetic silica glass Tatsuhiro Sato 2015-06-30