YH

Yoshihiro Hirakawa

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #35,542 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6613983 Thin-conductor foamed-polyolefin-insulated wire and manufacturing method thereof Satoshi Shukushima, Taro Fujita, Atsushi Tsujino, Masato Sano, Hiroyuki Ootsuka 2003-09-02
6586920 Lightning detector 2003-07-01