HS

Hirotsugu Sakamoto

HI Hitachi: 2 patents #771 of 3,950Top 20%
HC Hitachi Device Engineering Co.: 2 patents #10 of 126Top 8%
Overall (2002): #62,259 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6492766 Color cathode ray tube with wide deflection angle Mamoru Tsuzurahara, Kenichi Watanabe, Syouji Shirai, Shinichi Kato, Go Uchida 2002-12-10
6407518 Moire-reduced color display device including a color cathode ray tube Hiroshi Sasaki, Kenichi Watanabe, Shinichi Kato 2002-06-18