SK

Sigeki Kitajima

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,327,024 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7542672 Optical switching apparatus with optical reflection monitor and reflection monitoring system Sunao Kakizaki, Hideaki Tushima, Yasuyuki Fukashiro 2009-06-02