EF

Eiji Fukuzawa

TO Toto: 3 patents #304 of 1,113Top 30%
KA Kajima: 1 patents #125 of 383Top 35%
Overall (All Time): #1,232,626 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8166997 Toilet flush water supply device Yoshinobu Uchimura, Qing Zhang, Shan Lin, Fu-Shan Chen 2012-05-01
7966676 Toilet bowl flushing water tank device Yoichiro Ueno, Haruki Matsuda, Yukihiro Muroya 2011-06-28
7275626 Damper device Takayuki Tomura, Naohisa Tanaka, Ryosuke Hayashi, Seiichiro Inoue, Yoshiro Terada +1 more 2007-10-02
5163256 Elasto-plastic damper for structure Toshiyuki Fukumoto, Toshikazu Yamada, Naoki Tanaka, Akihiko Amana, Yoshikazu Maeda 1992-11-17