TA

Tetsuya Arata

HI Hitachi: 3 patents #133 of 2,935Top 5%
Overall (1989): #6,804 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4818195 Scroll compressor with valved port for each compression chamber Akira Murayama, Naoshi Uchikawa, Ryoichi Kuroshima, Hiroaki Kuno, Masao Shiibayashi 1989-04-04
4810176 Anti-rotation mechanism for use with orbiting scroll member of scroll compressor Kazutaka Suefuji, Takao Senshu, Jyoji Okamoto, Akira Murayama 1989-03-07
4802831 Fluid machine with resin-coated scroll members Kazutaka Suefuji, Aizo Kaneda, Yasuyuki Kanai, Shozo Nakamura, Katsuaki Kikuchi +4 more 1989-02-07