AT

Akeshi Takahashi

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HA Hitachi Appliances: 5 patents #10 of 109Top 10%
HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HP Hitachi Industrial Products: 1 patents #30 of 86Top 35%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
Overall (All Time): #201,765 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12431753 Rotating electric machine and method for manufacturing rotating electric machine Kenichi Nakayama, Tetsuya SUTO, Keisuke Takeuchi 2025-09-30
12306202 Conveyance device Ryosuke HOSHI, Yasuaki Aoyama, Satoru Kaneko, Takeshi TAMAKOSHI, Hiroyuki Kobayashi +2 more 2025-05-20
12301071 Motor control device, mechatronic unit, power generation system, boost converter system, and electric vehicle system Takafumi Hara, Makoto Ito, Toshiyuki Ajima 2025-05-13
12184119 Rotary electric machine and vehicle Minori Nagata, Masanori SAWAHATA 2024-12-31
12132430 Rotating machine drive system and vehicle Kazuo Nishihama, Noriyuki Maekawa, Katsuhiro Hoshino 2024-10-29
12062516 Switch and winding switching device Tetsuya SUTO, Noriyuki Maekawa 2024-08-13
12034390 Winding switching device of rotating electric machine, rotating electric machine drive system, and electric device Shinji Sugimoto, Kazuo Nishihama 2024-07-09
D1024961 Electric motor Tetsuya SUTO, Akihiro Namba, Makoto Ito 2024-04-30
D997874 Electric motor Tetsuya SUTO, Makoto Ito 2023-09-05
11716039 Winding switching device and rotating electrical machine drive system using the same Kazuo Nishihama, Katsuhiro Hoshino, Noriyuki Maekawa 2023-08-01
11601082 Rotary machine driving system and vehicle Shinji Sugimoto, Kazuo Nishihama 2023-03-07
11233474 Rotating machine drive system Yoshitaka Iwaji, Shinji Sugimoto 2022-01-25
10658905 Rotating electrical machine, compressor system, and pump system Ryuuichirou IWANO, Masanori SAWAHATA 2020-05-19
10270303 Permanent magnet electric motor having slits and projections to minimize irreversible demagnetization Yusuke Asaumi, Akihiro Ishikawa 2019-04-23
8729762 Permanent magnet synchronous machine, and pressing or extrusion machine including permanent magnet synchronous machine Shinichi Wakui 2014-05-20
7902713 Self-starting type permanent magnet synchronous motor and a compressor using the same Satoshi Kikuchi, Hiroyuki Mikami, Tomio Yoshikawa, Keiji Tanaka, Masashi Miyake +4 more 2011-03-08
7772736 Permanent magnet synchronous motor, rotor of the same, and compressor using the same Haruo Koharagi, Satoshi Kikuchi, Tomio Yoshikawa, Baiying Huang 2010-08-10
7592734 Three-phase permanent magnet brushless motor Yuji Enomoto, Motoya Ito, Ryoso Masaki, Katsuyuki Yamazaki, Masahide Yamazaki +5 more 2009-09-22
7531934 Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same Baiying Hang, Tomio Yoshikawa, Yasuro Ohishi, Haruo Koharagi 2009-05-12
7501734 Motor, compressor, and air conditioner Tomio Yoshikawa, Baiying Huang, Shigekazu Nozawa, Susumu Nakayaka, Haruo Koharagi +1 more 2009-03-10
7453181 Permanent magnet synchronous motor and compressor using the same Satoshi Kikuchi, Haruo Koharagi, Tomio Yoshikawa, Baiying Huang 2008-11-18