YH

Yoshiji Hotta

HI Hitachi: 2 patents #771 of 3,950Top 20%
SC Shin-Kobe Electric Machinery Co.: 1 patents #2 of 27Top 8%
Overall (2002): #34,490 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6458488 Positive electrode activator for lithium secondary battery and lithium secondary battery Kyoko Honbo, Akihiro Gotoh, Masahiro Kasai, Yasushi Muranaka 2002-10-01
6399251 Lithium secondary battery Kyoko Honbo, Masahiro Kasai, Akihiro Gotoh 2002-06-04