TT

Tutomu Tojyou

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
📍 Nagaoka, JP: #33 of 243 inventorsTop 15%
Overall (All Time): #1,043,562 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6353282 Color cathode ray tube having a low dynamic focus Shoji Shirai, Shinichi Kato 2002-03-05
6331752 Color cathode ray tube having a low dynamic focus voltage Shoji Shirai, Shinichi Kato 2001-12-18
6025674 Color cathode ray tube having a low dynamic focus voltage Shoji Shirai, Shinichi Kato 2000-02-15
5739631 Color cathode ray tube having a low dynamic focus voltage Shoji Shirai, Shinichi Kato 1998-04-14
5608284 Color cathode ray tube having a low dynamic focus voltage Shoji Shirai, Shinichi Kato 1997-03-04