AN

Akira Nakazumi

KC Kobelco Construction Machinery Co.: 6 patents #65 of 422Top 20%
SC Sinfonia Technology Co.: 3 patents #30 of 162Top 20%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
Overall (All Time): #639,937 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9973053 Electric motor having sealed casing and manufacturing method thereof Seiji Saiki, Kazushige Koiwai, Yoshiki Karata, Yoichiro Yamazaki 2018-05-15
9556587 Hybrid device and hybrid construction machine including same Yusuke KAMIMURA 2017-01-31
9287808 Motor controller and construction machine provided therewith Takeo Ito, Hideaki Moriya, Takeshi Tomizaki, Yusuke KAMIMURA 2016-03-15
9276512 Motor controller and construction machine provided therewith Takeshi Tomizaki, Yuichi Hamaguchi, Takeo Ito, Yusuke KAMIMURA 2016-03-01
9276508 Inverter device for driving electric motor Yusuke KAMIMURA, Hiroyuki Suminaga, Takeshi Tomizaki, Hideaki Moriya 2016-03-01
9000630 Motor including heat radiating resin Akira Tsutsui, Seiji Saiki, Kazushige Koiwai 2015-04-07
6377679 Speakerphone Hiroshi Hashimoto, Yoshiro Nishimoto, Tetsuya Takahashi, Masahiro Nishisaka, Toru Takahashi +1 more 2002-04-23
4985668 Robot controller Nobuaki Imamura 1991-01-15