Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HM

Haruo Miura — 36 Patents

Hitachi: 31 patents #867 of 28,497Top 4%
HTHitachi Plant Technologies: 3 patents #35 of 279Top 15%
HCHitachi Industries Co.: 2 patents #1 of 49Top 3%
Tokyo, JP: #3,398 of 90,295 inventorsTop 4%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Haruo Miura has been granted 36 US patents while listed as an inventor at Hitachi. The first was granted in 1984 and the most recent in May 2018. Haruo Miura ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Haruo Miura in Tokyo, JP.

Patents per Year

Patents granted per year, 1984 to 2018Bar chart with a peak of 6 patents in 2002.peak 61984: 2 patents19841986: 1 patents1988: 2 patents1989: 1 patents19891990: 1 patents1991: 1 patents1993: 1 patents19931994: 1 patents1996: 1 patents1998: 1 patents19981999: 1 patents2000: 3 patents2001: 2 patents20012002: 6 patents2003: 1 patents2004: 2 patents20042006: 1 patents2007: 2 patents2009: 1 patents20092012: 1 patents2014: 1 patents2015: 2 patents20152018: 1 patents2018

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9976552 Performance prediction device and performance prediction method for compressor Manabu Yagi, Hideo Nishida, Kazutoshi Yanagihara 2018-05-22
9004857 Barrel-shaped centrifugal compressor Yohei MAGARA, Kazuyuki Yamaguchi, Mitsuhiro Narita, Naohiko Takahashi, Akira Endo 2015-04-14
8960009 Apparatus and method for measuring vibration characteristics Naohiko Takahashi, Kazutoshi Yanagihara 2015-02-24
8631961 End wall closure apparatus Tomohiro Naruse, Tetsuya Kuwano, Taiji Hashimoto, Mitsuhiro Narita 2014-01-21
8151834 Hydrogen compressor system Shinichiro Kurita, Shigeru Arai, Akinori Akanuma, Youichirou Fukai 2012-04-10 $126,000
7563078 Reciprocating compressor Shigeru Arai, Youichirou Fukai, Yasuo Fukushima 2009-07-21 $117,000
7210895 Turbo compressor and method of operating the turbo compressor Koji Kotani, Kazuo Takeda 2007-05-01 $181,000
7172015 Heat exchanger for air compressor Kazuki Takahashi, Seiji Tsuru, Minoru Taniyama, Tomohiro Naruse, Toshio Hattori 2007-02-06 $210,000
7052250 Reciprocating compressor Shigeru Arai, Youichirou Fukai, Yasuo Fukushima 2006-05-30 $114,000
6692224 Turbo compressor Kazuo Takeda, Naohiko Takahashi, Hideo Nishida, Hiromi Kobayashi, Tomoyuki Ishikawa 2004-02-17 $213,000
6679689 Screw compressor Kazuki Takahashi, Seiji Tsuru, Minoru Taniyama 2004-01-20 $318,000
6572350 Screw compressor Kazuki Takahashi, Seiji Tsuru, Minoru Taniyama 2003-06-03 $147,000
6462492 Position-sensorless controlling method of synchronous motor Kiyoshi Sakamoto, Tsunehiro Endou, Naohiko Takahashi 2002-10-08 $88,000
6441523 Very high permanent magnet type electric rotating machine system Haruo Koharagi, Tsunehiro Endou, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi +2 more 2002-08-27 $167,000
6435822 Labyrinth sealing device, and fluid machine providing the same Hiromi Kobayashi, Hideo Nishida, Takashi Eino, Kazuki Takahashi 2002-08-20 $103,000
6396229 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor Kiyoshi Sakamoto, Tsunehiro Endou, Naohiko Takahashi, Hiroshi Fujii 2002-05-28 $184,000
6376958 Permanent magnet type synchronous motor and air compressor Haruo Koharagi, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Miyoshi Takahashi +2 more 2002-04-23 $258,000
6369478 Permanent-magnet-type electric rotating machine and air compressor and generator using the same Haruo Koharagi, Tsukasa Taniguchi, Miyoshi Takahashi, Shinichi Wakui, Yasuo Fukushima +1 more 2002-04-09 $263,000
6302645 Labyrinth sealing device, and fluid machine providing the same Hiromi Kobayashi, Hideo Nishida, Takashi Eino, Kazuki Takahashi 2001-10-16 $194,000
6196809 Two-stage centrifugal compressor Kazuki Takahashi, Hideo Nishida, Naohiko Takahashi, Yasuo Fukushima 2001-03-06 $311,000
6111333 Magnetic bearing, rotating machine mounting the same, and method for driving rotating machine Naohiko Takahashi, Tsunehiro Endo, Minoru Yoshihara, Yasuo Fukushima, Kazuki Takahashi 2000-08-29 $502,000
6047461 Rotor for permanent magnet excited, high-speed electric rotary machine, manufacturing method of the same and electric rotary machine including the same Kazuki Takahashi, Hideo Nishida, Naohiko Takahashi, Yasuo Fukushima 2000-04-11 $636,000
6039535 Labyrinth sealing device, and fluid machine providing the same Hiromi Kobayashi, Hideo Nishida, Takashi Eino, Kazuki Takahashi 2000-03-21 $622,000
5980218 Multi-stage compressor having first and second passages for cooling a motor during load and non-load operation Kazuki Takahashi, Hideo Nishida, Naohiko Takahashi 1999-11-09 $432,000
5709531 Centrifugal compressor and vaned diffuser Hideo Nishida, Hiromi Kobayashi, Hiroto Yoshikai, Sadashi Tanaka 1998-01-20 $154,000