TT

Takeshi Tokuyama

HS Hitachi Automotive Systems: 25 patents #21 of 1,636Top 2%
HI Hitachi: 23 patents #1,433 of 28,497Top 6%
HA Hitachi Astemo: 7 patents #64 of 1,276Top 6%
IBM: 5 patents #18,733 of 70,183Top 30%
TK Tanaka Denshi Kogyo K. K.: 1 patents #18 of 31Top 60%
Overall (All Time): #37,523 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
9609789 Power conversion apparatus Kinya Nakatsu, Ryuichi Saito 2017-03-28
9583264 Capacitor device and electrical power conversion device Hiroshi Kamizuma, Kinya Nakatsu, Junpei Kusukawa 2017-02-28
9433134 Power semiconductor module and power converter using the same Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Tokihito Suwa 2016-08-30
9407166 Inverter device Masami Ohnishi 2016-08-02
9407163 Power module, power converter device, and electrically powered vehicle Kinya Nakatsu, Hiroshi Hozoji, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2016-08-02
9362261 Power semiconductor module Kinya Nakatsu, Akira MIMA, Yukio Hattori, Toshiya Satoh 2016-06-07
9307666 Electric circuit device, electric circuit module, and power converter Kinya Nakatsu, Atushi Kawabata 2016-04-05
9137932 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2015-09-15
9042101 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2015-05-26
9000553 Power module and power converter containing power module Kinya Nakatsu, Toshiya Satoh, Hideaki Ishikawa 2015-04-07
8952525 Semiconductor module and method for manufacturing semiconductor module Eiichi Ide, Nobutake Tsuyuno, Kinya Nakatsu, Tokihito Suwa, Yuujiro Kaneko 2015-02-10
8946567 Power module, power converter device, and electrically powered vehicle Kinya Nakatsu, Hiroshi Hozoji, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2015-02-03
8917509 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2014-12-23
8847374 Power semiconductor module and manufacturing method thereof Eiichi Ide, Shinji Hiramitsu, Hiroshi Hozoji, Nobutake Tsuyuno, Kinya Nakatsu +2 more 2014-09-30
8743548 Electric circuit device, electric circuit module, and power converter Kinya Nakatsu, Atushi Kawabata 2014-06-03
8723306 Power semiconductor unit, power module, power semiconductor unit manufacturing method, and power module manufacturing method Nobutake Tsuyuno, Hiroshi Hozoji, Toshiaki Ishii, Tokihito Suwa, Kinya Nakatsu +1 more 2014-05-13
8675364 Power module and power conversion device Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideaki Ishikawa 2014-03-18
8659130 Power module and power module manufacturing method Yusuke Takagi, Kaoru Uchiyama, Tokihito Suwa, Kinya Nakatsu, Shinji Hiramitsu 2014-02-25
8653652 Semiconductor device, power semiconductor module and power conversion device equipped with power semiconductor module Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideaki Ishikawa, Nobutake Tsuyuno +1 more 2014-02-18
8634220 Power conversion apparatus Kinya Nakatsu, Ryuichi Saito 2014-01-21
8503209 Power conversion apparatus and cooling structure therefor Kinya Nakatsu, Ryuichi Saito 2013-08-06
8416574 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2013-04-09
D651565 Portion of power module for power inverter Masashi Yura, Shinichi Fujino, Yusuke Takagi, Toshiya Satoh, Kinya Nakatsu 2012-01-03
D651170 Portion of a power module for power inverter Masashi Yura, Shinichi Fujino, Yusuke Takagi, Toshiya Satoh, Kinya Nakatsu 2011-12-27
8081472 Electric circuit device, electric circuit module, and power converter Kinya Nakatsu, Atushi Kawabata 2011-12-20