KH

Katsumi Hirota

HI Hitachi: 2 patents #622 of 3,771Top 20%
📍 Yokohama, CA: #38 of 111 inventorsTop 35%
Overall (2004): #56,309 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6750602 Projection type cathode ray tube device employing a cathode ray tube having a neck composed of different-diameter portions Kotaro Aoki, Kazumasa Hirai, Takashi Hoshimure 2004-06-15
6737818 Deflection yoke and cathode ray tube device Soichi Sakurai, Hiroshi Jitsukata, Nobutaka Okuyama 2004-05-18