SN

Shigeki Nakao

NI Ngk Insulators: 1 patents #90 of 217Top 45%
Overall (2002): #117,681 of 266,432Top 45%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6354144 Zirconia porcelain Toshikazu Hirota, Kazuyoshi Shibata, Yukihisa Takeuchi 2002-03-12