JK

Junpei Kusukawa

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HS Hitachi Automotive Systems: 6 patents #275 of 1,636Top 20%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
HD Hitachi Power Semiconductor Device: 1 patents #36 of 79Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #190,727 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12407269 Semiconductor device, busbar, and power converter Masahito Mochizuki, Eiichi Ide 2025-09-02
12132014 Power semiconductor apparatus Eiichi Ide 2024-10-29
12095382 Semiconductor device, electric power conversion device, and manufacturing method of semiconductor device Eiichi Ide, Nobutake Tsuyuno 2024-09-17
11430716 Power semiconductor device and power conversion device using the same Tadahiko Chida 2022-08-30
11217385 Transformer and electric power converter Yuki Kawaguchi, Yasuaki Norimatsu, Takae Shimada 2022-01-04
10888941 Power semiconductor module Daichi KAWAMURA, Toru Masuda, Naoki Sakurai 2021-01-12
10186473 Power module Fusao Hojo, Nobutake Tsuyuno, Toshiaki Ishii, Akira Matsushita 2019-01-22
10068880 Power module Nobutake Tsuyuno, Takeshi Tokuyama, Tokihito Suwa 2018-09-04
9591789 Power semiconductor module and power module Eiichi Ide, Eiji Nishioka, Toshiaki Ishii, Kinya Nakatsu, Nobutake Tsuyuno +2 more 2017-03-07
9583264 Capacitor device and electrical power conversion device Hiroshi Kamizuma, Kinya Nakatsu, Takeshi Tokuyama 2017-02-28
9439332 Power module Eiichi Ide, Eiji Nishioka, Toshiaki Ishii, Kinya Nakatsu, Tokihito Suwa 2016-09-06
9326425 Power module Tokihito Suwa, Yujiro Kaneko, Masashi Yura, Nobutake Tsuyuno, Toshiaki Ishii 2016-04-26
9137888 Power distribution mounting component and inverter apparatus using same Hironori Matsumoto 2015-09-15
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
8502425 Totally enclosed motor Hironori Matsumoto, Atsushi Otake, Hiroshi Morita, Kinya Kobayashi, Junnosuke Nakatsugawa 2013-08-06
7989267 Manufacturing method of semiconductor device and manufacturing method of lead frame Fujio Ito, Hiromichi Suzuki, Akihiko Kameoka, Yoshitaka Takezawa 2011-08-02
7374973 Manufacturing method of semiconductor device and manufacturing method of lead frame Fujio Ito, Hiromichi Suzuki, Akihiko Kameoka, Yoshitaka Takezawa 2008-05-20
7355127 Printed wiring board and electronic device using the same Ryozo Takeuchi 2008-04-08
6791182 Semiconductor device Ryozo Takeuchi, Toshiaki Ishii, Hiromichi Suzuki, Fujio Ito, Takafumi Nishita +2 more 2004-09-14
6730255 Method of manufacture of resin block Ryozo Takeuchi, Koji Obata 2004-05-04
6649847 Resin block insulating system Ryozo Takeuchi, Koji Obata 2003-11-18
6504110 Insulating circuit board and power semiconductor apparatus employing the same Ryozo Takeuchi 2003-01-07