MM

Michimasa Matsukawa

HO Hoya: 1 patents #13 of 41Top 35%
Overall (1989): #76,087 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820662 Silicophosphate laser glass Tetsuro Izumitani, Chiemi Hata 1989-04-11