SM

Sachiko Muramatsu

KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
Overall (All Time): #1,279,597 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6060112 Color cathode ray tube and method of manufacturing the same Yasuhisa Ohtake 2000-05-09
5841223 Color cathode ray tube and method of manufacturing the same Yasuhisa Ohtake 1998-11-24
5830373 Color cathode ray tube and method of manufacturing shadow mask Yasuhisa Ohtake, Seiji Sago, Mitsuaki Yamazaki 1998-11-03
5592044 Color cathode ray tube and method of manufacturing shadow mask Yasuhisa Ohtake, Seiji Sago, Mitsuaki Yamazaki 1997-01-07