HT

Hiromu Takeda

HA Hitachi Appliances: 2 patents #31 of 109Top 30%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
Overall (All Time): #1,174,758 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10190586 Scroll compressor and air conditioner Masatsugu Chikano, Yuichi Yanagase, Masashi Miyake, Masaru Ohtahara 2019-01-29
9500196 Scroll compressor with intermittent communication between back pressure chamber and compression chambers Masaru Ohtahara, Shoji MATSUMURA, Masashi Miyake 2016-11-22
9181945 Scroll compressor with channels intermittently communicating internal and external compression chambers with back pressure chamber Masashi Miyake, Masatsugu Chikano, Masaru Ohtahara, Shoji MATSUMURA 2015-11-10
9091266 Scroll compressor having a back pressure control valve for opening and closing a communication path in a stationary scroll Kouichi Imada, Mutsunori Matsunaga, Takeshi Tsuchiya, Shuji Hasegawa, Yoshihiro Fukaya +1 more 2015-07-28