TT

Takashi Tayonaka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,776,742 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5438444 Optical routing system Shinji Tsuji, Ryoji Takeyari 1995-08-01