KW

Keitaro Watanabe

TA Takenaka: 1 patents #67 of 199Top 35%
Overall (All Time): #3,689,982 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5779283 Pipe joint unit Yoshitsugu Kimura, Motonori Onoshi, Yasuharu Sakaguchi 1998-07-14