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Yoichi Yoshinaga

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
📍 Ibaraki, JP: #1,651 of 6,779 inventorsTop 25%
Overall (All Time): #888,141 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5836164 Gas turbine combustor Satoshi Tsukahara, Shohei Yoshida, Masahiko Yamagishi, Kazumi Iwai, Hiromi Koizumi 1998-11-17
5101848 Shut off apparatus for a fluid passage, method for controlling the same, and method for confirming closing of the same Yoshio Kojima, Tsutomu Okusawa, Kuniyoshi Tsubouchi, Yusuke Takagi, Kenji Mitani +1 more 1992-04-07
4771615 Dehydrating vessel of washing machine Sooichi Fukuzawa, Tamotu Shikamori 1988-09-20
RE32462 Centrifugal fluid machine Shinjiro Ueda, Hideo Nishida 1987-07-21
4421457 Diffuser of centrifugal fluid machine Hiromi Kobayashi, Shinjiro Ueda, Yoshihiro Takada, Hideo Nishida 1983-12-20
4395197 Centrifugal fluid machine Hideo Nishida, Shinjiro Ueda 1983-07-26