YT

Yasumasa Tsuchiya

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hitachi Device Engineering Co.: 2 patents #202 of 514Top 40%
📍 Mobara, JP: #332 of 731 inventorsTop 50%
Overall (All Time): #1,623,589 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6294864 Color cathode-ray tube with shadow mask having L-shaped bi-metallic springs Tatsuya Mochizuki, Nobuhiko Hosotani, Takehiko Ueyama, Masakazu Tsuruoka 2001-09-25
6259206 Cathode ray tube Shinji Murooka 2001-07-10
6150760 Cathode ray tube Shinji Murooka 2000-11-21