KM

Kiyotaka Murashima

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #173,342 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6483955 Diffraction grating device Manabu Shiozaki, Toru Iwashima, Masakazu Shigehara 2002-11-19