TT

Toshio Tojo

HI Hitachi: 4 patents #260 of 3,950Top 7%
HC Hitachi Device Engineering Co.: 4 patents #2 of 126Top 2%
Overall (2002): #11,297 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6465947 Color picture tube Nobuhiko Hosotani, Masahiro Nishizawa, Norikazu Uchiyama, Maki Taniguchi 2002-10-15
6359380 Color cathode ray tube with panel glass having a different light absorption characteristic from that of at least one outer surface layer provided thereon Masahiro Nishizawa, Norikazu Uchiyama, Maki Ito, Kiyoshi Miura, Hidetsugu Matsukiyo +2 more 2002-03-19
6351062 Cathode ray tube having high and low refractive index films on the outer face of the glass panel thereof Masahiro Nishizawa, Norikazu Uchiyama 2002-02-26
6348770 Color cathode ray tube equipped with field leak preventing coating Masahiro Nishizawa, Norikazu Uchiyama 2002-02-19