OI

Osamu Ishida

HM Hitachi Maxell: 1 patents #3 of 16Top 20%
Overall (1982): #40,204 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4333995 Leak proof cells provided with a synthetic resin gasket having an increased degree of crystallinity Yoshio Uetani, Seiichi Matsushima 1982-06-08