MH

Masaharu Hiraga

SA Sanden: 27 patents #6 of 631Top 1%
SC Sankyo Electric Co.: 6 patents #2 of 15Top 15%
Overall (All Time): #109,141 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
4880360 Variable displacement compressor with biased inclined member Kiyoshi Terauchi 1989-11-14
4824346 Scroll type fluid displacement apparatus with balanced drive means Kiyoshi Terauchi, Kiyosh Miyazawa, Seiichi Sakamoto 1989-04-25
4753583 Scroll type fluid compressor with high strength sealing element Tamotsu Daikohara 1988-06-28
4627800 Scroll type fluid displacement compressor with spiral wrap elements of varying thickness Yasuyuki Matsudaira 1986-12-09
4600367 Refrigerant compressor for automobile air-conditioning system Kiyoshi Terauchi, Yasuhiro Kubo 1986-07-15
4586874 Refrigerant compressor with a capacity adjusting mechanism Tamotsu Daikohara 1986-05-06
4580956 Biased drive mechanism for an orbiting fluid displacement member Kazunari Takahashi 1986-04-08
4551078 Scroll-type fluid displacement apparatus with angular offset varying means 1985-11-05
4551081 Pulley mechanism for fluid displacement apparatus Tadashi Sato 1985-11-05
4548555 Scroll type fluid displacement apparatus with nonuniform scroll height Yuji Yoshii 1985-10-22
4547137 Scroll type fluid compressor with thickened spiral elements Kiyoshi Terauchi 1985-10-15
4540355 Axial sealing device for a scroll-type fluid displacement apparatus Masakatsu Sakaki 1985-09-10
4514150 Scroll type compressor with displacement adjusting mechanism Atsushi Mabe, Yuji Yoshii 1985-04-30
4498852 Scroll type fluid displacement apparatus with improved end plate fluid passage means 1985-02-12
4490099 Scroll type fluid displacement apparatus with thickened center wrap portions Kiyoshi Terauchi 1984-12-25
4487248 Scroll manufacturing method and tool Eiji Fukushima, Seiichi Fukuhara 1984-12-11
4477239 Scroll type fluid displacement apparatus with offset wraps for reduced housing diameter Yuji Yoshii 1984-10-16
4474543 Rotation prevention device for an orbiting member of a fluid displacement apparatus Takayuki Iimori, Seiichi Sakamoto 1984-10-02
4468178 Scroll type compressor with displacement adjusting mechanism Atsushi Mabe, Yuji Yoshii 1984-08-28
4466784 Drive mechanism for a scroll type fluid displacement apparatus 1984-08-21
4457676 Driving support mechanism for an orbiting scroll of a scroll type fluid displacement apparatus 1984-07-03
4456435 Scroll type fluid displacement apparatus Seiichi Sakamoto 1984-06-26
4453899 Scroll type fluid displacement apparatus with reinforced wrap seals Tadao Kogima, Nobuaki Saegusa 1984-06-12
4437820 Scroll type fluid compressor unit with axial end surface sealing means Kiyoshi Terauchi 1984-03-20
4436465 Scroll manufacturing tool Eiji Fukushima, Seiichi Fukuhara 1984-03-13