AT

Atsuko Tohyama

HI Hitachi: 1 patents #814 of 2,935Top 30%
SK Showa Denko K.K.: 1 patents #1 of 8Top 15%
Overall (1989): #130,419 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879192 Secondary cell Shigeoki Nishimura, Kazunori Fujita, Hiroyuki Sugimoto, Noboru Ebato, Shinpei Matsuda 1989-11-07