IO

Iwao Ogura

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,372,581 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4187012 Method and apparatus for exposure of phosphor screen Takehiko Ueyama, Masahiro Nishizawa, Eiichi Yamazaki 1980-02-05
4183637 Method and apparatus for forming phosphor screen of color picture tubes Takehiko Ueyama, Masahiro Nishizawa, Eiichi Yamazaki 1980-01-15