RK

Ryoichi Kuroshima

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,329,691 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4818195 Scroll compressor with valved port for each compression chamber Akira Murayama, Naoshi Uchikawa, Hiroaki Kuno, Tetsuya Arata, Masao Shiibayashi 1989-04-04
4714415 Scroll compressor with closed compression spaces having valves to reduce starting torque Takao Mizuno, Naoshi Uchikawa, Akira Murayama, Takahiro Tamura 1987-12-22