TT

Tsutomu Tojyo

HI Hitachi: 2 patents #771 of 3,950Top 20%
HC Hitachi Device Engineering Co.: 1 patents #27 of 126Top 25%
HC Hitachi Electronic Devices Co.: 1 patents #10 of 26Top 40%
HC Hitachi Engineering Co.: 1 patents #16 of 53Top 35%
Overall (2002): #36,948 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6353281 Cathode ray tube Mitsuhiro Sugiyama, Masahiro Ito, Masayoshi Misono, Hiroyuki Tamura 2002-03-05
6337534 Color cathode ray tube with coma reduced Masayoshi Misono, Hiroyuki Tamura 2002-01-08