TO

Takefumi Okumura

HI Hitachi: 1 patents #961 of 2,733Top 40%
HE Hitachi Vehicle Energy: 1 patents #30 of 42Top 75%
Overall (2011): #63,665 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7923580 Polymerizable boric compounds, methods of producing the same, polymerizable compositions and ionic-conductive polymeric electrolytes Norio Iwayasu, Shin Nishimura, Tetsuya Itoh, Takeshi Yabe 2011-04-12
7862933 Lithium secondary battery Takahiro Yamaki, Masanori Yoshikawa, Yoshimi Yanai, Toyotaka Yuasa 2011-01-04