KT

Kazuo Tachiwana

HO Hoya: 1 patents #11 of 28Top 40%
Overall (1997): #121,669 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5668066 Near infrared absorption filter glass Hironori Oguma 1997-09-16