TA

Tatsuya Ashida

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #3,815,973 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5181668 Apparatus for running a wire through a pipe Toshinori Tsuji, Koichi Hosoya, Fumio Tsukimoto, Katsuyuki Okubo, Tetsuo Bokuhara +1 more 1993-01-26