MH

Masayuki Hirota

HC Hitachi Industrial Equipment Systems Co.: 14 patents #20 of 550Top 4%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #240,353 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8848384 Power transducer Satoshi Ibori, Yasushi Sasaki, Yutaka Maeno, Kazuyuki Fukushima 2014-09-30
8423317 Temperature detection method of semiconductor device and power conversion apparatus Tomoya Kamezawa, Naoki Takata, Masahiro Hiraga, Satoshi Ibori 2013-04-16
8395688 Solid-state imaging device having a shortened correlated double sampling (CDS) period, driving method of the same, and camera including the same Masashi Murakami, Kenji Watanabe, Kenichi Shimomura 2013-03-12
8385078 Power transducer Satoshi Ibori, Yasushi Sasaki, Yutaka Maeno, Kazuyuki Fukushima 2013-02-26
8159820 Electric power conversion system Satoshi Ibori, Koji Hamano, Jiangming Mao, Tomoya Kamezawa, Masahiro Hiraga 2012-04-17
8040414 A/D converter-incorporated solid-state imaging device Toshinobu Nakao, Masashi Murakami, Kenji Watanabe, Masaya Hirose 2011-10-18
7904254 Power conversion apparatus and method of estimating power cycle life Satoshi Ibori, Tomoya Kamezawa, Jiangming Mao, Masahiro Hiraga 2011-03-08
7652702 Solid state imaging device and imaging device Masashi Murakami, Kenji Watanabe 2010-01-26
7643304 Filter apparatus and frequency converter to which the filter apparatus is connected Satoshi Ibori, Naoki Takata, Masahiro Hiraga 2010-01-05
7518890 AC/DC/AC converter with reduced inductance in the DC filter capacitors Satoshi Ibori, Tomoya Kamezawa, Jiangming Mao 2009-04-14
7515422 Electric power converter Satoshi Ibori, Tomoya Kamezawa, Jiangming Mao, Masahiro Hiraga 2009-04-07
7394668 Switching power supply circuit and frequency converter Tooru Nakajima, Masahiro Hiraga, Tetsuya Kimura, Satoshi Ibori 2008-07-01
7272004 Frequency converter Mingxi Huang, Satoshi Ibori, Yutaka Maeno 2007-09-18
7206204 Electric circuit module Kinya Nakatsu, Naoki Takata, Satoshi Ibori, Tomoya Kamezawa 2007-04-17
7151680 Switching power supply circuit and frequency converter Tooru Nakajima, Masahiro Hiraga, Tetsuya Kimura, Satoshi Ibori 2006-12-19
7054157 Frequency converter Mingxi Huang, Satoshi Ibori, Yutaka Maeno 2006-05-30
6927665 Power converter Kinya Nakatsu, Satoshi Ibori, Tooru Nakajima 2005-08-09
6873240 Power converter Kinya Nakatsu, Satoshi Ibori, Tooru Nakajima 2005-03-29
5278001 Hydrogen storage alloy, electrode comprising the same and hydrogen storage alloy cell Hiroaki Ono, Shuichi Wada, Hiroshi Fukunaga 1994-01-11