OS

Osamu Sado

Mazda Motor: 8 patents #447 of 4,755Top 10%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #591,865 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5238460 Power transmission system for vehicle Seiji Esaki, Kazuhiko Ueda, Seiji Terauchi 1993-08-24
5220853 Cam shaft support apparatus for an engine Kazuhiko Ueda, Noriyuki Iwata, Tatsuya Uesugi, Shunji Masuda 1993-06-22
5213011 Power transmission device for vehicle Hidetoshi Nobumoto, Seiji Esaki, Seiji Terauchi, Kazuhiko Ueda 1993-05-25
5194052 Stepless transmission for vehicles Kazuhiko Ueda, Seiji Esaki 1993-03-16
5123385 Dual overhead camshaft engine cylinder head structure Kazuhiko Ueda, Noriyuki Iwata, Tatsuya Uesugi, Shunji Masuda 1992-06-23
5097805 Valve driving system for internal combustion engine Tatsuya Uesugi, Noriyuki Iwata, Kazuhiko Hashimoto 1992-03-24
5085199 V-type engine equipped with a supercharging device Shunji Masuda 1992-02-04
5031586 Multi-valve engine Shunji Masuda, Noriyuki Iwata, Kazuhiko Hashimoto, Tatsuya Uesugi 1991-07-16
4624228 Intake system for diesel cycle engines Masanori Sahara, Takumi Nishida, Masaaki Kashimoto 1986-11-25