HO

Hidemi Oonaka

TO Toyota: 8 patents #3,629 of 26,838Top 15%
📍 Susono, JP: #388 of 1,238 inventorsTop 35%
Overall (All Time): #671,529 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4712442 Lubricating mechanism for a rotary machine Toyokazu Baika 1987-12-15
4656992 Internal combustion engine with by-pass control system for supercharger Toyokazu Baika, Yoshiaki Shibata, Kingo Horii, Yasushi Sato, Tomojiro Akiyama 1987-04-14
4596225 Internal combustion engine provided with mechanical supercharger Toyokazu Baika, Yoshiaki Shibata, Kingo Horii, Yasushi Sato 1986-06-24
4583363 Secondary air supply control device in internal combustion engine Masahiro Urushidani 1986-04-22
4527519 Method and system for controlling intake flow between direct and helical intake passages of intake port of internal combustion engine Nobuki Uchitani 1985-07-09
4475522 Fuel evaporation gas treating device 1984-10-09
4472321 Altitude compensation apparatus for carburetor Tatsuyoshi Kamohara 1984-09-18
4456568 Carburetor choke valve opening device Tatsuya Taifu 1984-06-26