HS

Hirotsugu Sakamoto

HI Hitachi: 4 patents #332 of 4,225Top 8%
HC Hitachi Device Engineering Co.: 4 patents #1 of 123Top 1%
Overall (2003): #16,345 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6661186 Color cathode ray tube, driving circuit therefor, color image reproducing device employing the driving circuit, and color image reproducing system including the color image reproducing device Tomoki Nakamura, Shinichi Kato, Syoji Shirai 2003-12-09
6646371 Color cathode ray tube having a high-resolution electron gun Kenichi Watanabe, Shinichi Kato 2003-11-11
6522058 Color cathode ray tube Tomoki Nakamura, Shinichi Kato 2003-02-18
6515410 Color cathode ray tube Tomoki Nakamura, Shinichi Kato 2003-02-04