YT

Yumiko Takizawa

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #1,233,419 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8197560 Fuel for fuel cell, fuel cartridge for fuel cell and fuel cell Daisuke Imoda, Kyoko Yoshino 2012-06-12
7749640 Fuel Cell Hirofumi Kan, Asako Satoh, Akira Yajima, Hiroyuki Shiroki 2010-07-06
7638223 Fuel cell Hirofumi Kan, Asako Satoh, Akira Yajima, Hiroyuki Shiroki 2009-12-29
5631100 Secondary battery Akira Yoshino, Akira Koyama, Katsuhiko Inoue, Masataka Yamashita, Yasufumi Minato +1 more 1997-05-20