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Yoshihiro Nagaoka

HH Hitachi High-Technologies: 17 patents #180 of 1,917Top 10%
HI Hitachi: 16 patents #2,438 of 28,497Top 9%
HC Hitachi Techno Engineering Co.: 2 patents #11 of 111Top 10%
Overall (All Time): #106,859 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12158452 Flow passage switching valve and liquid chromatograph having the same Ayano OTSUBO, Hisao Inami, Nobuhiro Tsukada, Daisuke Akieda, Kenichiro NISHIKI 2024-12-03
11426721 Bubble eliminating structure, bubble eliminating method, and agitating method using the same Taro Nakazawa, Mitsuhiro Miyazaki, Ryusuke Kimura, Motohiro Yamazaki 2022-08-30
10702199 Blood collecting device Ayano OTSUBO, Taku Sakazume, Kenko Uchida, Shigenori Togashi 2020-07-07
10416184 Pretreatment device for sample for analysis, and analysis system using same Nobuhiro Tsukada, Ayano OTSUBO 2019-09-17
10364900 Fluid switching valve and liquid chromatograph apparatus using the same Takaaki Hara, Hiroshi Moriya, Ayano OTSUBO, Kiyotoshi Mori, Shoji Tomita 2019-07-30
9797870 Liquid delivery device and chemical analysis apparatus using liquid delivery device Nobuhiro Tsukada 2017-10-24
9630181 Plug application and removal device and sample processing device Kenichi Takahashi, Toshiki Yamagata, Shigeki Yamaguchi 2017-04-25
9492821 Liquid feeder and chemical analyzer including same Hisao Inami, Motohiro Yamazaki 2016-11-15
9150911 Nucleic acid analysis reaction cell and nucleic acid analyzer Taro Nakazawa, Masatoshi Narahara, Ryoji Inaba, Shigenori Togashi 2015-10-06
9128071 Liquid mixing device and liquid chromatograph Nobuhiro Tsukada, Hironori Kaji, Daisuke Akieda 2015-09-08
8551423 Liquid supply device using check valve and reactive liquid chromatography system Kisaburo Deguchi, Hironori Kaji, Kimihiko Ishii, Daisuke Akieda, Kunihiko Takao +2 more 2013-10-08
8496819 Separation column for liquid chromatograph apparatus and liquid chromatograph apparatus using thereof Katsutoshi Shimizu, Masahito Ito, Kimihiko Ishii, Kisaburo Deguchi, Takefumi Yokokura 2013-07-30
7937990 Liquid chromatograph and separation column Masahito Ito 2011-05-10
7901573 Separation column and liquid chromatography apparatus using the same Kimihiko Ishii, Hironori Kaji, Masahito Ito, Kunihiko Takao 2011-03-08
7811451 Separation column and liquid chromatograph using the same Masahito Ito, Daizo Tokinaga, Tomohiro Shoji, Tomonari Morioka 2010-10-12
7727472 Chemical analysis apparatus and chemical analysis cartridge Nobuyuki Maki, Noriyo Nishijima, Michihiro Saito, Hiroki Ihara 2010-06-01
7678576 Chemical analysis apparatus and chemical analysis cartridge Shigeyuki Sasaki, Noriyo Nishijima, Naruo Watanabe, Michihiro Saito, Taisaku Seino +1 more 2010-03-16
7662340 Extractor chemical analyzer and chemical analyzing method Naruo Watanabe, Teruhisa Akashi, Yuji Miyahara, Kei Takenaka, Tomoki Ohashi 2010-02-16
7384602 Chemical analysis apparatus and genetic diagnostic apparatus Naruo Watanabe, Kei Takenaka, Tomoki Ohashi, Yuji Miyahara 2008-06-10
7273702 Apparatus for purifying nucleic acid and method of purifying nucleic acid Teruhisa Akashi, Yukiko Ikeda, Naruo Watanabe, Yuji Miyahara 2007-09-25
6749397 Fluidal machine Yoshiharu Ueyama, Michiyuki Takagi, Yasushi Takano, Yukiji Iwase, Michiaki Ida +2 more 2004-06-15
6568904 Fluidal machine Yoshiharu Ueyama, Michiyuki Takagi, Yasushi Takano, Yukiji Iwase, Michiaki Ida +2 more 2003-05-27
6500388 Automatically analyzing apparatus Ryo Miyake, Masaharu Nishida, Takeshi Shibuya, Takao Terayama, Hiroshi Mitsumaki 2002-12-31
6371724 Centrifugal fluid machine Sadashi Tanaka, Yukiji Iwase, Michiaki Ida, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2002-04-16
6364607 Centrifugal fluid machine Sadashi Tanaka, Yukiji Iwase, Michiaki Ida, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2002-04-02