KT

Kazuo Tahara

HI Hitachi: 51 patents #272 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 6 patents #73 of 465Top 20%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
HC Hitachi Setsubi Engineering Co.: 1 patents #6 of 24Top 25%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #49,572 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
4454460 D.C. Rotary machine with interpole compensation Takayuki Matsui, Haruo Koharagi, Hisaya Sasamoto, Seiji Yamashita, Noriyoshi Takahashi 1984-06-12
4451752 Stator of D.C. rotary machine Takayuki Matsui, Haruo Koharagi, Seizi Yamashita, Noriyoshi Takahashi 1984-05-29
4250422 Cooling means for electrical rotating machine Fumio Tagima, Shoji Motegi, Shigeki Saito 1981-02-10