ST

Shigetaro Tagawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
📍 Tochigi, JP: #625 of 2,789 inventorsTop 25%
Overall (All Time): #883,469 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6312237 Displacement type fluid machine Takeshi Kouno, Hirokatsu Kohsokabe, Masahiro Takebayashi, Shunichi Mitsuya, Yasuhiro Ohshima +1 more 2001-11-06
6220841 Displacement type fluid machine Takeshi Kouno, Hirokatsu Kohsokabe, Masahiro Takebayashi, Shunichi Mitsuya, Yasuhiro Ohshima +1 more 2001-04-24
4636154 Horizontal type rotary compressor Masahiko Sugiyama, Masatune Sutou, Mitsuru Murata, Minoru Ooki 1987-01-13
4626180 Rotary compressor with spiral oil grooves for crankshaft Mitsuru Murata, Kazuo Sekigami, Masahiko Sugiyama, Gen Konno 1986-12-02
4561829 Rotary compressor with tapered valve ports for lubricating pump Hiroshi Iwata, Masahiro Takebayashi, Akio Sakazume, Yoshihisa Uneyama, Kazuo Sekigami +1 more 1985-12-31
4544338 Oil feeder means for use in a horizontal type rotary compressor Masahiro Takebayashi, Akio Sakazume, Hiroshi Iwata, Masahiko Sugiyama, Mitsuru Murata 1985-10-01