RN

Ritaka Nakamura

TS Toshiba Mitsubishi-Electric Industrial Systems: 4 patents #84 of 368Top 25%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
TM Tmeic: 1 patents #51 of 132Top 40%
Overall (All Time): #802,840 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12146915 Deterioration estimation device and deterioration estimation program for power conversion device Fujio Kurokawa, Hajime Shiraishi 2024-11-19
11218079 Power conversion device Ryoji TSURUTA, Hiromitsu Suzuki, Toshiaki Oka, Masashi Nakamura 2022-01-04
10236818 Drive and control apparatus for multiple-winding motor Keiko Tada, Yuriko Okamoto, Akira Satake, Hiromitsu Suzuki, Masahiko TSUKAKOSHI +1 more 2019-03-19
10103674 Drive control apparatus for multiple-winding motor Yuriko Okamoto, Akira Satake, Hiromitsu Suzuki, Masahiko TSUKAKOSHI 2018-10-16
9712070 Power conversion device Takushi Jimichi, Satoshi Azuma, Kimiyuki Koyanagi, Yasuhito Shimomura, Yoshihito Kato 2017-07-18
4792739 High-accuracy position detection apparatus Akihiko Kuroiwa 1988-12-20