TA

Takehiro Akizawa

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #1,029,817 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7354259 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2008-04-08
7137796 Scroll compressor Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2006-11-21
7118358 Scroll compressor having a back-pressure chamber control valve Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2006-10-10
6769888 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2004-08-03
6589035 Scroll compressor having a valved back-pressure chamber and a bypass for over-compression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2003-07-08