Sumio Sudo — 12 Patents at Hitachi

Sumio Sudo has been granted 12 US patents while listed as an inventor at Hitachi. The first was granted in 1982 and the most recent in April 2003. Sumio Sudo ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Sumio Sudo in Kiyose, JP.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6540482	Turbo-type machines	Kouichi Irie, Tomoyoshi Okamura, Junichi Kurokawa	2003-04-01	$105,000
6527509	Turbo machines	Junichi Kurokawa, Hitoharu Kimura, Tomoyshi Okamura, Takahide Nagahara, Akira Manabe +1 more	2003-03-04	$137,000
6302643	Turbo machines	Junichi Kurokawa, Hitoharu Kimura, Tomoyoshi Okamura, Takahide Nagahara, Akira Manabe +1 more	2001-10-16	$194,000
6102618	Large-depth underground drainage facility and method of running same	Kunio Takada, Kenji Otani, Masayuki Yamada, Saburo Maru, Sadashi Tanaka	2000-08-15	$317,000
5909982	Large-depth underground drainage facility and method of running same	Kunio Takada, Kenji Otani, Masayuki Yamada, Saburo Maru, Sadashi Tanaka	1999-06-08	$866,000
5733065	Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump	Masayuki Yamada, Saburo Maru	1998-03-31	$157,000
5634740	Large-depth underground drainage facility and method of running same	Kunio Takada, Kenji Otani, Masayuki Yamada, Saburo Maru, Sadashi Tanaka	1997-06-03	$127,000
5624226	Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump	Masayuki Yamada, Saburo Maru	1997-04-29	$96,000
5487621	Large-depth underground drainage facility and method of running same	Kunio Takada, Kenji Otani, Masayuki Yamada, Saburo Maru, Sadashi Tanaka	1996-01-30	$312,000
5360290	Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump	Masayuki Yamada, Saburo Maru	1994-11-01	$95,000
5154570	Vertical shaft pump	Yoshihiko Yoshikawa, Shizuichi Sakamoto	1992-10-13	$68,000
4362463	Movable blade pump	Hiromichi Anan, Masayuki Yamada	1982-12-07	$48,000

Sumio Sudo — 12 Patents

Issued Patents All Time

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