HS

Hidefumi Sonoda

TO Toyota: 5 patents #5,641 of 26,838Top 25%
AC Aisan Industry Co.: 1 patents #46 of 109Top 45%
JC Jeco Co.: 1 patents #30 of 73Top 45%
📍 Ebeye: #1,032 of 4,528 inventorsTop 25%
Overall (All Time): #1,059,565 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5080421 Apparatus for preventing discharge of fuel vapor Hidekazu Otowa, Kazuhiro Okada, Tadao Kaneko, Kazuhisa Sawada 1992-01-14
5067468 Apparatus for preventing discharge of fuel vapor Hidekazu Otowa, Kazuhiro Okada, Tadao Kaneko 1991-11-26
4986840 Charcoal canister for use in a fuel purge system of an internal combustion engine Eiji Mori, Akira Hiraku, Morio Minezawa, Isao Kato, Koichi Ito 1991-01-22
4872439 Device for preventing outflow of a fuel vapor from a fuel tank Eiji Mori, Mitsuo Kawase, Kazuhiro Yoneshige, Akira Takahashi, Hirokazu Komiya +1 more 1989-10-10
4809865 Fuel tank for use in a vehicle Eiji Mori, Akira Hiraku, Isao Katoh, Kouichi Itoh, Morio Minezawa 1989-03-07