HN

Hiroya Nagata

TO Tosoh: 1 patents #13 of 73Top 20%
TQ Tosoh Quartz: 1 patents #1 of 5Top 20%
Overall (2002): #205,679 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6405563 Opaque silica glass article having transparent portion and process for producing same Masayuki Kudo, Koji Tsukuma, Yoshikazu Kikuchi, Tomoyuki Akiyama 2002-06-18