KA

Keikichi Ando

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
HM Hitachi Maxell: 1 patents #31 of 92Top 35%
Overall (2003): #182,490 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6636477 Information recording medium and information recording device Makoto Miyamoto, Junko Ushiyama, Yumiko Anzai, Akemi Hirotsune, Motoyasu Terao +3 more 2003-10-21