IO

Itsuku Ohtawa

HC Hitachi Electronic Service Co.: 2 patents #17 of 61Top 30%
Overall (All Time): #2,249,944 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5912058 Shock absorber and package with shock absorbers Jiro Takahashi, Norikazu Yamagishi, Tadayuki Ichiba, Mutsuharu Takesada, Akira Aoyama +1 more 1999-06-15
5755082 Manufacturing equipment for cushioning material Jiro Takahashi, Yukio Tahara, Tsuyoshi Mizutani, Akira Aoyama, Norikazu Yamagishi 1998-05-26