YH

Yasushi Hayasaka

HI Hitachi: 16 patents #2,438 of 28,497Top 9%
HP Hitachi Industrial Products: 3 patents #3 of 86Top 4%
HI Hitchi: 1 patents #1 of 56Top 2%
Overall (All Time): #218,963 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12176795 Rotary electric machine Eiichiro Tokizaki 2024-12-24
11598694 Abnormality diagnosis system for rotary electric machine Shuhei AYUKAWA, Motonobu Iizuka, Takeki Hara, Masaaki Endo, Atsushi Fukunaga 2023-03-07
10658898 Method for manufacturing a neutral ring for use in rotating electrical machine Masanori Matsumoto, Yasunori Otsuki, Tetsuo Fujigaki, Yoshihiro Yasui, Motonobu Iizuka +3 more 2020-05-19
10177621 Rotating electric machine or wind power generation system Naoki Kunihiro, Daisuke KORI, Motonobu Iizuka, Tetsuo Fujigaki, Atsushi Fukunaga +6 more 2019-01-08
10033237 Neutral ring for use in rotating electrical machine and method for manufacturing the same Masanori Matsumoto, Yasunori Otsuki, Tetsuo Fujigaki, Yoshihiro Yasui, Motonobu Iizuka +3 more 2018-07-24
8591194 Steam turbine rotor blade assembly Hajime Toriya 2013-11-26
8257044 Steam turbine rotor blade assembly Hajime Toriya 2012-09-04
7839040 Permanent-magnet generator rotor for gas turbine, manufacturing method therefor, and gas turbine Hideaki Nagashima, Manabu Sasaki 2010-11-23
7762083 Gas turbine plant and gas turbine power generator plant Masaru Sekihara 2010-07-27
7334993 Gas turbine rotor blade, gas turbine using the rotor blade, and power plant using the gas turbine Masaru Sekihara, Kunihiro Ichikawa 2008-02-26
7152005 System for aiding the preparation of operation and maintenance plans for a power generation installation Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu 2006-12-19
7107295 System and method for document management and synchronization Katsuhito Shimizu, Tooru Kimura, Yoshio Maruyama, Yukiko Mouri, Satoru Shimizu +3 more 2006-09-12
7065471 Method and system for diagnosing state of gas turbine Jinichiro Gotoh, Shigeo Sakurai, Hiraku Ikeda 2006-06-20
7065472 System for aiding the preparation of operation and maintenance plans for a power generation installation Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu 2006-06-20
6907381 System for aiding the preparation of operation and maintenance plans for a power-generation installation Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu 2005-06-14
6895289 Document management system and method Katsuhito Shimizu, Tooru Kimura, Yoshio Maruyama, Yukiko Mouri, Satoru Shimizu +3 more 2005-05-17
6874324 Gas turbine and gas turbine power generator Masaru Sekihara, Saburo Usami, Satoschi Dodo 2005-04-05
6853930 System for aiding the preparation of operation and maintenance plans for a power generation installation Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu 2005-02-08
6691065 System foraiding the preparation of operation and maintenance plans for a power generation installation Yoshiharu Hayashi, Hidekazu Fujimura, Masao Furukawa, Katsuhito Shimizu 2004-02-10
6636813 Service life management system for high-temperature part of gas turbine Nobuhiro Isobe, Shigeo Sakurai, Kunihiro Ichikawa 2003-10-21