TO

Takeshi Obata

HC Hitachi Industrial Equipment Systems Co.: 7 patents #61 of 550Top 15%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
NE Nec: 5 patents #2,830 of 14,502Top 20%
TS Toshiba Mitsubishi-Electric Industrial Systems: 1 patents #206 of 368Top 60%
Overall (All Time): #174,118 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9810588 Optical fiber temperature sensor Eiji Hashimoto, Koji Dojo 2017-11-07
8816694 Apparatus and method for detecting partial discharge at turn-to-turn insulation in motor Kouji Obata, Keiji Fukushi, Koichiro Saito, Tadahiro Shimozono 2014-08-26
7898138 Rotary electric machine Keiichiro Kaihatsu, Kenichi Saito 2011-03-01
7752496 Method, apparatus, and computer product for managing log data Masahiro Yoshida, Taichi Ohno 2010-07-06
7700211 Fuel cell, fuel cell electrode and method for fabricating the same Shin Nakamura, Yoshimi Kubo, Yuichi Shimakawa, Takashi Manako, Hidekazu Kimura +3 more 2010-04-20
7663337 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Koichiro Saito, Osamu Matsumoto, Kouji Obata 2010-02-16
7659651 Rotating electric machine, winding machine, and rotating electric machine system Koji Obata, Masaharu Senoo, Akihiro Sekine, Mituru Itou, Takashi Yasuhara +1 more 2010-02-09
7655343 Liquid fuel supply type fuel cell Tsutomu Yoshitake, Yoshimi Kubo 2010-02-02
7511450 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Koichiro Saito, Osamu Matsumoto, Kouji Obata 2009-03-31
7487293 Data storage system and log data output method upon abnormality of storage control apparatus Masahiro Yoshida, Taichi Oono 2009-02-03
7426658 Data storage system and log data equalization control method for storage control apparatus Masahiro Yoshida, Taichi Oono 2008-09-16
7408323 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Koichiro Saito, Osamu Matsumoto, Kouji Obata 2008-08-05
7202628 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Koichiro Saito, Osamu Matsumoto, Kouji Obata 2007-04-10
7112940 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Koichiro Saito, Osamu Matsumoto, Kouji Obata 2006-09-26
6387549 Magnetic sensor Takashi Manako, Yuichi Shimakawa 2002-05-14
5954822 Disk array apparatus that only calculates new parity after a predetermined number of write requests Mitsuhiko Yashiro, Suijin Takeda, Sawao Iwatani 1999-09-21
5930077 Magnetic head for recording and reproducing a signal and comprising a slider provided with a protective film including an intermediate layer and an amorphous hard carbon layer Kazuhiro Baba 1999-07-27
5787460 Disk array apparatus that only calculates new parity after a predetermined number of write requests Mitsuhiko Yashiro, Suijin Takeda, Sawao Iwatani 1998-07-28
5681500 Magnetic oxide having a large magnetoresistance effect at room temperature Hisanao Tsuge, Nobuaki Shohata 1997-10-28
5396757 Directly motor-driven spindle assembly Hideaki Kobayashi 1995-03-14
5196769 Motor control device Hiroshi Chiba, Satoshi Miura, Motonobu Hattori 1993-03-23
5099640 Apparatus and method for control of a spinning machine Hideaki Kobayashi 1992-03-31
4876847 Ring Spinning machine Hideaki Kobayashi 1989-10-31
4833873 Spindle apparatus directly driven by electric motor Hideaki Kobayashi 1989-05-30