KK

Keiichi Katayama

MM Mitsubishi Mining: 9 patents #53 of 2,247Top 3%
MC Minebea Co.: 4 patents #140 of 736Top 20%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
MM Minebea Mitsumi: 2 patents #145 of 442Top 35%
CC Chichibu Cement Co.: 1 patents #30 of 80Top 40%
📍 Yonago, JP: #11 of 127 inventorsTop 9%
Overall (All Time): #238,511 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10361644 Motor driving controller and motor driving control method 2019-07-23
9991826 Motor control circuit, motor drive control apparatus and control method of motor drive control apparatus 2018-06-05
9806662 Motor drive controller and method for controlling motor 2017-10-31
9787231 Motor driving device and control method of motor driving device Tomohiro Inoue, Shuhei Nishi 2017-10-10
9647584 Motor drive controller and control method of motor drive controller Tomohiro Inoue 2017-05-09
9136791 Motor driving device, integrated circuit device, motor apparatus and motor driving system Tomohiro Inoue, Shuhei Nishi 2015-09-15
6579657 Material for forming a fine pattern and method for manufacturing a semiconductor device using the same Takeo Ishibashi, Toshiyuki Toyoshima, Ayumi Minamide 2003-06-17
6319853 Method of manufacturing a semiconductor device using a minute resist pattern, and a semiconductor device manufactured thereby Takeo Ishibashi, Toshiyuki Toyoshima, Naoki Yasuda 2001-11-20
5858620 Semiconductor device and method for manufacturing the same Takeo Ishibashi, Ayumi Minamide, Toshiyuki Toyoshima 1999-01-12
5317121 Induction heating apparatus having openable and closable coil Mitsuo Kato, Kazuya Tsurusaki, Mikio Hanamoto, Kazumasa Mihara, Takatoshi Eguchi 1994-05-31
5126522 Induction heating apparatus for preventing the formation of stripes on plated steel Mitsuo Kato, Mikio Hanamoto, Kazuya Tsurusaki, Kiyoshi Izumi, Mamoru Hiyama 1992-06-30
4795927 Control system for a magnetic type bearing Shigeki Morii 1989-01-03
4791830 Balancer of reciprocating machine Michinori Yamamoto, Shozo Tashiro, Satoshi Sakane, Toshiro Morita, Hiroshi Shiota +1 more 1988-12-20
4594209 Process for the preparation of voltage non-linearity type resistors Keiichi Minegishi, Tokuji Akiba, Hiroshi Machida 1986-06-10
4593549 Method of controlling a tension levelling equipment Muneo Moriya, Toshihiro Takemasa 1986-06-10
4471515 Rolls for single facer Hiroyuki Takenaka, Kouichi Tokiyasu, Tadashi Hirakawa 1984-09-18
4398328 Rolls for single facer Hiroyuki Takenaka, Kouichi Tokiyasu, Tadashi Hirakawa, Hiroaki Sasashige 1983-08-16
4337884 Single facer Tadashi Hirakawa, Hiroaki Sasashige, Hiroyuki Takenaka 1982-07-06
4316761 Single facer Tadashi Hirakawa, Hiroaki Sasashige, Hiroyuki Takenaka 1982-02-23