SA

Shigeru Arakawa

AK Aisan Kogyo Kabushiki Kaisha: 2 patents #232 of 642Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Elevator Engineering And Service Co.: 1 patents #5 of 27Top 20%
SC Sango Co.: 1 patents #24 of 90Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,269,202 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6588203 Exhaust device of internal combustion engine Shinya Hirota, Masahito Shibata, Michio Morishita, Takio Suzuki, Kunio Komori 2003-07-08
6568356 Cooling water flow control system for internal combustion engine Masaharu Hayakawa, Takashi Horibe, Hidenori Hirosawa 2003-05-27
5607578 Filter system for an in-tank fuel pump Kousaku Ohkouchi, Shigeru Yoshida, Kenji Hayashi 1997-03-04
4649751 Supervisory operation control system for protecting elevators or the like from a dangerous situation Yoshimitsu Onoda, Takato Yamakoshi 1987-03-17