MT

Masahiro Tobise

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
AM Applied Magnetics: 1 patents #41 of 65Top 65%
HK Hitachi Metals Kiko: 1 patents #2 of 9Top 25%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #346,847 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10681468 Speaker diaphragm and coil coupling arrangement, and method Koji Okazaki 2020-06-09
9266071 Hydrogen separation alloy and method for producing same Kazuhiro Yamamura 2016-02-23
8164297 Power converter and motor driving system Daisuke Tan, Hirohisa Satomi 2012-04-24
6537463 Resin-bonded magnet, its product, and ferrite magnet powder and compound used therefor Katsunori Iwasaki, Yasunobu Ogata, Mikio Shindo, Hiroshi Okajima 2003-03-25
6421519 Magnet roll having an anisotropic bonded magnet portion containing rare earth-iron-nitrogen magnet powder Keitaro Yamashita 2002-07-16
6413327 Nitride type, rare earth magnet materials and bonded magnets formed therefrom Hiroshi Okajima, Mikio Shindo 2002-07-02
6310456 Control system and method Yasuo Morooka, Hiromi Inaba, Takashi Nakahara, Takashi Okada, Yoshitaka Iwaji 2001-10-30
6028779 Power inverter device Kiyoshi Sakamoto, Takashi Ikimi, Kenichi Onda 2000-02-22
5748416 Magnetoresistive playback head Chiharu Mitsumata, Hisayuki Miura, Tetsurou Kawai, Simon Liao 1998-05-05
5545957 Motor speed controller for suppressing shaft torsion vibration Kenji Kubo, Rached Dhaouadi, Noboru Azusawa 1996-08-13
5256944 Motor speed control method and apparatus with drooping compensation independent of acceleration or deceleration current and time constant of motor Itsuo Shimizu, Yuji Yamasawa, Toshihiko Chino 1993-10-26
5245257 Control system 1993-09-14
4814678 Speed control apparatus for motor Tsutomu Omae, Toshihiko Matsuda, Takashi Sukegawa 1989-03-21
4562390 Insulation resistance measurement in static leonard apparatus 1985-12-31