IT

Isamu Tsubono

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
HA Hitachi Appliances: 1 patents #56 of 109Top 55%
HS Hitachi Home And Life Solutions: 1 patents #13 of 36Top 40%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
Overall (All Time): #183,816 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10801483 Rolling cylinder displacement compressor Hirokatsu Kosokabe, Yasuhiro KISHI, Naohiro Tsuchiya, Kenji Takesawa, Keigo Watanabe 2020-10-13
8888475 Scroll compressor with oil supply across a sealing part Yuichi Yanagase, Eiji Sato, Mutsunori Matsunaga, Satoshi Nakamura, Masatsugu Chikano 2014-11-18
8581527 Mechanism for converting rotary motion into linear motion and lifting device Shinji Seto, Kenji Hiraku 2013-11-12
8573088 Mechanism for converting rotational motion to linear motion Yoshio Okamoto, Kenji Hiraku 2013-11-05
8567279 Mechanism for converting rotary motion into linear motion Shinji Seto, Kenji Hiraku 2013-10-29
8011264 Mechanism for converting rotary motion into linear motion Junichi Tamamoto, Makoto Yamakado, Tooru Takahashi, Yukio Sudo 2011-09-06
7722342 Pump apparatus and power steering Mitsuo Sasaki, Toru Takahashi, Masaaki Busujima, Masakazu Kurata, Yasuhito Nakakuki 2010-05-25
7648003 Power steering system Ayumu Miyajima, Takaomi Nishigaito, Toru Takahashi, Mitsuo Sasaki, Toshimitsu Sakaki +1 more 2010-01-19
7354259 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi, Kenichi Oshima +2 more 2008-04-08
7137796 Scroll compressor Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi, Kenichi Oshima +2 more 2006-11-21
7118358 Scroll compressor having a back-pressure chamber control valve Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi, Kenichi Oshima +2 more 2006-10-10
7074023 Scroll compressor Kazuyuki Matsunaga, Kazumi Tamura, Atsushi Onuma 2006-07-11
7021912 Scroll fluid machine Takeshi Tsuchiya, Takao Mizuno, Mutsunori Matsunaga, Masaru Ohtahara, Syunsuke Yasunori +2 more 2006-04-04
6769888 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi, Kenichi Oshima +2 more 2004-08-03
6637550 Displacement type fluid machine Masaki Koyama, Isao Hayase, Yuugo Mukai, Koichi Sekiguchi, Kenichi Oshima 2003-10-28
6589035 Scroll compressor having a valved back-pressure chamber and a bypass for over-compression Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi, Kenichi Oshima +2 more 2003-07-08
6494696 Scroll compressor Toshiyuki Terai, Isao Hayase, Masahiro Takebayashi, Masaki Koyama, Koichi Sekiguchi 2002-12-17
6345967 Scroll type fluid machine having different wrap side surface clearances Yuugo Mukai, Isao Hayase, Takeshi Tsuchiya, Toshiyuki Terai, Mutsunori Matsunaga 2002-02-12
6301912 Heat pump apparatus Toshiyuki Terai, Koichi Sekiguchi 2001-10-16
6174150 Scroll compressor Masahiro Takebayashi, Hirokatsu Kohsokabe, Kazuo Sekigami, Kazuya Matsuo 2001-01-16
5829959 Scroll compressor Masahiro Takebayashi, Hirokatsu Kohsokabe, Kazuo Sekigami, Kazuya Matsuo 1998-11-03
5295808 Synchronous rotating type scroll fluid machine Shigeru Machida, Hiroshi Iwata, Kazutaka Suefuji, Seiji Ohtake, Kenji Tojo 1994-03-22
4814910 Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head Nobuyuki Kaku, Kenmei Masuda 1989-03-21