HA

Hiromasa Ashitani

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Overall (All Time): #755,272 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7040875 Refrigerant pump with rotors in bearing Masao Nakano 2006-05-09
6915653 Semiconductor cooling device Masao Nakano, Akira Ikeda 2005-07-12
6862895 Semiconductor cooling device and method of controlling same Masao Nakano 2005-03-08
6826923 Cooling device for semiconductor elements Masao Nakano, Masafumi Fukushima 2004-12-07
6273691 Scroll gas compressor having asymmetric bypass holes Takashi Morimoto, Sadayuki Yamada, Shuichi Yamamoto, Kiyoshi Sawai, Taisei Kohayakawa +1 more 2001-08-14
6102671 Scroll compressor Shuichi Yamamoto, Kiyoshi Sawai, Taise Kohayakawa, Shozo Hase, Takashi Morimoto +1 more 2000-08-15
5855475 Scroll compressor having bypass valves Katsuharu Fujio, Kiyoshi Sano, Takashi Morimoto, Syozo Hase, Shuichi Yamamoto +2 more 1999-01-05