YY

Yuuichi Yanagase

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HA Hitachi Appliances: 5 patents #10 of 109Top 10%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
Overall (All Time): #273,913 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10718329 Scroll compressor Yasunori Nakano, Satoshi Nakamura, Takamasa Adachi, Masatsugu Chikano 2020-07-21
10316841 Compressor, oil-free screw compressor, and method of manufacturing casing used therefor Yukiko Ikeda, Masakatsu Okaya 2019-06-11
9945378 Scroll compressor Takeshi Kouno, Tsutomu Nozaki 2018-04-17
8740594 Scroll compressor including seal member and guide ring Satoshi Nakamura, Mutsunori Matsunaga, Takeshi Tsuchiya, Masatsugu Chikano 2014-06-03
8241021 Displacement type compressor having a self-start synchronous motor and start load reducing means Takeshi Tsuchiya, Kazuyuki Fujimura, Mutsunori Matsunaga, Shigekazu Nozawa, Kenji Tojo +3 more 2012-08-14
8152502 Scroll compressor having guide ring supporting and urging seal member Satoshi Nakamura, Mutsunori Matsunaga, Takeshi Tsuchiya, Masatsugu Chikano 2012-04-10
8033796 Motor-mounted internal gear pump and manufacturing method thereof and electronic equipment Hirotaka Kameya, Masato Nakanishi, Eiji Sato, Kouji Aizawa 2011-10-11
7442017 Displacement type compressor having a self-start synchronous motor and start load reducing means Takeshi Tsuchiya, Kazuyuki Fujimura, Mutsunori Matsunaga, Shigekazu Nozawa, Kenji Tojo +3 more 2008-10-28
7163386 Scroll compressor having a movable auxiliary portion with contact plane of a stopper portion to contact a pane of the fixed scroll through elastic pressure of high pressure fluid Takeshi Tsuchiya, Kazuyuki Fujimura, Makoto Aoki, Shigekazu Nozawa, Mutsunori Matsunaga +4 more 2007-01-16
6912993 Throttle system Tomonaga Oyamada, Takehiko Kowatari, Teruhiko Minegishi, Eisuke Wayama 2005-07-05
6771460 Spindle motor and magnetic disc device using thereof having radial and thrust bearings Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more 2004-08-03
6680814 Spindle motor and magnetic disc device with hydrodynamic bearings Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more 2004-01-20
6469866 Spindle motor and magnetic disc device with hydrodynamic bearing Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more 2002-10-22
6369980 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Masaru Muranishi +4 more 2002-04-09
6369981 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Masaru Muranishi +4 more 2002-04-09
6356408 Magnetic disk apparatus, including spindle motor having air flow passage in hub for pressure balance Katsutoshi Nii, Masaru Muranishi, Kenji Tomida, Kouki Uefune, Shozo Saegusa 2002-03-12
6243230 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Masaru Muranishi +4 more 2001-06-05