YI

Yasushi Izunaga

HA Hitachi Appliances: 4 patents #13 of 109Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HA Hatachi: 1 patents #1 of 40Top 3%
Overall (All Time): #734,065 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9353751 Sealed scroll compressor for helium Masao Shiibayashi, Takamasa Adachi 2016-05-31
9239053 Hermetically sealed scroll compressor Masao Shiibayashi, Kenji Tojo 2016-01-19
8435014 Hermetically sealed scroll compressor Masao Shiibayashi, Kenji Tojo 2013-05-07
7628593 Horizontal type scroll compressor including a first space and a second space Takao Mizuno, Mutsumi Otsuka, Katsuya Ohashi, Mutsunori Matsunaga, Masashi Miyake +1 more 2009-12-08
6478557 Scroll compressor suitable for a low operating pressure ratio Masao Shiibayashi, Katsuaki Yano 2002-11-12
5211031 Scroll type compressor and refrigeration cycle using the same Akira Murayama, Tadashi Fukuishi, Sigeaki Kuroda, Toshiaki Koyama, Tadao Ochiai +4 more 1993-05-18
4889471 Mechanism for prevention of burning of bearing portions in a hermetic type scroll compressor Hiroaki Kuno, Shintaro Sado 1989-12-26