HK

Hirofumi Kako

DE Denso: 28 patents #197 of 11,792Top 2%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #130,015 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
11594942 Control apparatus for rotating electric machine Ryuji Omata, Kiyotaka Matsubara, Kazuhito Hayashi, Makoto Nakamura 2023-02-28
9590551 Control apparatus for AC motor Ryuji Omata, Takeshi Itoh 2017-03-07
9374031 AC motor control apparatus Takashi Suzuki, Takeshi Itoh 2016-06-21
9276517 Control device of AC motor Ryuji Omata, Takeshi Itoh 2016-03-01
9172322 Control apparatus for AC motor Ryuji Omata, Takeshi Itoh, Takashi Suzuki 2015-10-27
9160267 AC motor control apparatus Ryuji Omata, Takeshi Itoh 2015-10-13
9154071 AC motor control apparatus Takashi Suzuki, Takeshi Itoh 2015-10-06
9154070 Controller for AC motor Ryuji Omata, Takeshi Itoh 2015-10-06
9154064 Control device for AC motor Takashi Suzuki, Takeshi Itoh 2015-10-06
9120388 Rotating electrical machine drive system Ryuji Omata, Takeshi Itoh 2015-09-01
9106170 Control device of AC motor Ryuji Omata, Takeshi Itoh 2015-08-11
9106163 Control device of AC motor Ryuji Omata, Takeshi Itoh 2015-08-11
9093936 Control apparatus for AC motor Ryuji Omata, Takeshi Itoh 2015-07-28
9077278 AC motor control apparatus Ryuji Omata, Takeshi Itoh 2015-07-07
9077273 Control device of AC motor Ryuji Omata, Takeshi Itoh 2015-07-07
9065378 AC motor control apparatus Ryuji Omata, Takeshi Itoh 2015-06-23
9065365 Control device of AC motor Ryuji Omata, Takeshi Itoh 2015-06-23
9041324 AC motor control apparatus Takashi Suzuki, Takeshi Itoh 2015-05-26
9035580 AC motor control apparatus Takashi Suzuki, Takeshi Itoh 2015-05-19
9024553 AC motor control apparatus Takashi Suzuki, Takeshi Itoh 2015-05-05
9007009 Control apparatus for AC motor Ryuji Omata, Takeshi Itoh 2015-04-14
8981688 Control device for AC motor Takashi Suzuki, Takeshi Itoh 2015-03-17
8957616 Control device for AC motor Takashi Suzuki, Takeshi Itoh 2015-02-17
8957613 Control device for AC motor Takashi Suzuki, Takeshi Itoh 2015-02-17
8917040 AC motor control apparatus Ryuji Omata, Takeshi Itoh 2014-12-23