RF

Ryutaro Fukumoto

MM Mitsubishi Mining: 6 patents #101 of 2,247Top 5%
CK Churyo Engineering Kabushiki Kaisha: 1 patents #16 of 45Top 40%
Overall (All Time): #891,650 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5186134 Spiral spring type starter apparatus for an internal combustion engine Ryuji Morishima, Katsutoshi Asai, Kanji Isomichi 1993-02-16
5163392 Spiral spring type starter apparatus for an internal combustion engine Ryuji Morishima, Katsutoshi Asai, Kanji Isomichi 1992-11-17
5083534 Spiral spring type starter apparatus for an internal combustion engine Ryuji Morishima, Katsutoshi Asai, Kanji Isomichi 1992-01-28
4580620 Controlling the airflow rate in an air conditioner Yukio Yoshida, Ryosaku Akimoto 1986-04-08
4540040 Air temperature control system for vehicles Shuji Oyagi, Yukio Yoshida, Ryosaku Akimoto 1985-09-10
4485863 Control device for car-mounted air-conditioner Yukio Yoshida, Akira Tanaka, Ryosaku Akimoto, Shigetoshi Tanaka, Nobuaki Ito 1984-12-04