MI

Michiaki Ida

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
HC Hitachi Techno Engineering Co.: 2 patents #11 of 111Top 10%
Overall (All Time): #327,459 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6749397 Fluidal machine Yoshiharu Ueyama, Michiyuki Takagi, Yasushi Takano, Yukiji Iwase, Sadashi Tanaka +2 more 2004-06-15
6568904 Fluidal machine Yoshiharu Ueyama, Michiyuki Takagi, Yasushi Takano, Yukiji Iwase, Sadashi Tanaka +2 more 2003-05-27
6371724 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2002-04-16
6364607 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2002-04-02
6312222 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2001-11-06
6290460 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2001-09-18
6139266 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 2000-10-31
5971705 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 1999-10-26
5857834 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 1999-01-12
5595473 Centrifugal fluid machine Yoshihiro Nagaoka, Sadashi Tanaka, Yukiji Iwase, Hirotoshi Ishimaru, Saburo Iwasaki +2 more 1997-01-21
5012359 Magnetic disk apparatus Takashi Kohno, Osami Matsushita, Katsuaki Kikuchi, Taro Sonoda, Yuzo Yamaguchi 1991-04-30
RE33142 Centrifugal compressor Kazuo Sato, Masatosi Terasaki, Masaki Kurimoto, Shigeo Sugimoto 1990-01-09
4743174 Centrifugal compressor Kazou Sato, Masatosi Terasaki, Masaki Kurimoto, Shigeo Sugimoto 1988-05-10
4557679 Rotary fluid machine with thrust bearing mounting unit Hidetomo Mori, Osami Matsushita, Katsumi Matsubara, Shigeru Sasaki 1985-12-10
4392751 Damped bearing device Noriaki Hagiwara, Naoyoshi Yamago, Masahiro Yoshioka, Katsuaki Kikuchi 1983-07-12