MU

Masayuki Urashin

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HA Hitachi Appliances: 1 patents #56 of 109Top 55%
Overall (All Time): #514,799 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9169840 Piston operated bypass valve for a screw compressor Ryuichiro Yonemoto, Eisuke Kato, Shinichiro Yamada 2015-10-27
7014437 Screw compressor Hiroki Ohsumimoto, Shigekazu Nozawa, Takeshi Hida, Hirotaka Kameya 2006-03-21
6884049 Screw compressor and method of manufacturing rotor for the same Takeshi Hida, Shigekazu Nozawa, Hiroki Ohsumimoto, Hirotaka Kameya, Atsushi Watanabe 2005-04-26
6554595 Compressor with oil-mist separator Takeshi Hida, Shigekazu Nozawa, Hiroki Osumimoto, Hirotaka Kameya, Atsushi Watanabe 2003-04-29
6506039 Screw compressor Hiroki Osumimoto, Shigekazu Nozawa, Takeshi Hida, Hirotaka Kameya, Atsushi Watanabe 2003-01-14
6273693 Screw compressor Takeshi Hida, Shigekazu Nozawa, Noriyuki Yamazaki 2001-08-14
6257855 Screw fluid machine Hirotaka Kameya, Shigekazu Nozawa, Takeshi Hida, Masakazu Aoki 2001-07-10
6183227 Screw compressor Takeshi Hida, Shigekazu Nozawa, Noriyuki Yamazaki 2001-02-06
4878820 Screw compressor Motomichi Doi, Minetoshi Izushi, Kazuhiko Kawaike 1989-11-07
4261180 Refrigerator Shigekazu Nozawa, Hiroaki Kuno, Mitsuhiko Miyagawa, Hiroshi Takagi 1981-04-14