KM

Kohji Maki

HI Hitachi: 35 patents #681 of 28,497Top 3%
HC Hitachi Cable: 2 patents #313 of 1,086Top 30%
HC Hitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
📍 Tokyo, MI: #24 of 74 inventorsTop 35%
Overall (All Time): #82,124 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12181865 Operating state classification system, and operating state classification method 2024-12-31
12061236 Power conversion device, rotating machine system, and diagnosis method Yoshitaka Iwaji, Hironori Ohashi, Atsuhiko Nakamura 2024-08-13
11269322 Failure diagnosis system Munetoshi Unuma, Tetsuji Kato 2022-03-08
11209487 Rotor diagnostic apparatus, rotor diagnostic method, and rotor diagnostic program Tetsuji Kato, Minori Nagata 2021-12-28
11193978 Power conversion device, rotating machine system using same, and diagnosis method for same Yoshitaka Iwaji, Tetsuji Kato 2021-12-07
11047882 Non-contact voltage measurement device and diagnosis system Tetsuji Kato, Minori Nagata 2021-06-29
10295995 Machine diagnostic apparatus and machine diagnostic method Tomoaki Hiruta, Tetsuji Kato, Yoshitaka Atarshi 2019-05-21
10218252 Linear motor and positioning apparatus Yasuaki Aoyama, Yoshitaka Iwaji 2019-02-26
10209310 Rotary machine diagnostic system Tetsuji Kato, Minori Nagata 2019-02-19
10067190 Insulation diagnostic system or rotating machine Tetsuji Kato 2018-09-04
9810743 Deterioration diagnosis system Shinya Yuda, Hiroaki Kojima, Satoshi Kikuchi, Hisashi Endo 2017-11-07
9759774 Anomaly diagnosis system, method, and apparatus Tetsuji Kato, Tomoaki Hiruta 2017-09-12
9506995 Magnetic field analysis programs and magnetic field analysis methods 2016-11-29
8781763 Method for analyzing operating point of permanent magnet, program therefor, and recording medium Shigeru Kakugawa, Masashi Kitamura, Shinji Sugimoto 2014-07-15
8049369 Power inverter controller and method Hiroki Funato, Liang Shao, George Saikalis 2011-11-01
7777371 Linear drive apparatus having cores and coils which are positioned on opposite sides of the cores Houng Joong Kim, Hisao Tadokoro, Hideki Shimane, Hitoshi Shibata, Keijiro Sakai 2010-08-17
7336077 Magnet for NMR analyzer and NMR analyzer using the same Tsuyoshi Wakuda, Michiya Okada, Tomomi Kikuta, Hiroshi Morita, Shuichi Kido +2 more 2008-02-26
7312542 Linear motor and manufacturing method thereof Kim Houng Joong, Hiroshi Katayama 2007-12-25
7187175 Magnet for NMR analyzer and NMR analyzer using the same Tsuyoshi Wakuda, Michiya Okada, Tomomi Kikuta, Hiroshi Morita, Shuichi Kido +2 more 2007-03-06
7157912 Apparatus for generating homogeneous magnetic field Tsuyoshi Wakuda 2007-01-02
7141977 Magnet for NMR analyzer and NMR analyzer using the same Tsuyoshi Wakuda, Michiya Okada, Tomomi Kikuta, Hiroshi Morita, Shuichi Kido +2 more 2006-11-28
7138734 Linear drive unit reducing stress generated in movable part in horizontal direction Houng Joong Kim, Yasuo Morooka, Isamu Numata, Hisao Tadokoro, Takeo Morimoto +3 more 2006-11-21
7093687 Angle sensor, angle-torque sensor and electric power steering unit using same Ryoso Masaki, Satoru Kaneko, Ryoichi Menju 2006-08-22
7057327 Vehicular alternator Hiroshi Kanazawa, Kenji Miyata, Kaoru Kawabata, Kazuo Tahara, Susumu Sasaki +1 more 2006-06-06
7049913 Superconductivity magnet apparatus Tsuyoshi Wakuda, Mitsuyoshi Tsuchiya, Michiya Okada, Hideo Tsukamoto, Souji Kajiura +1 more 2006-05-23