YT

Yasutsugu Takeda

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,955,864 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4759030 Semiconductor laser Yoshimasa Murayama, Michiharu Nakamura, Yasuhiro Shiraki, Yoshifumi Katayama, Naoki Chinone 1988-07-19