TH

Tatsumi Hamanaka

TO Toto: 3 patents #304 of 1,113Top 30%
Overall (All Time): #1,634,242 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5918855 Automatic faucet Mitsuyoshi Seki, Takatoshi Kawabata, Toshiyuki Murahashi, Tadahiro Honda, Yoshiyuki Kaneko +1 more 1999-07-06
5758688 Automatic faucet Mitsuyoshi Seki, Takatoshi Kawabata, Toshiyuki Murahashi, Tadahiro Honda, Yoshiyuki Kaneko +1 more 1998-06-02
4667350 Lavatory hopper flushing apparatus Takao Ikenaga, Toshifumi Shigematsu, Manabu Hirahara 1987-05-26