Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KN

Kinya Nakatsu — 96 Patents

Hitachi: 67 patents #121 of 28,497Top 1%
HSHitachi Automotive Systems: 25 patents #21 of 1,636Top 2%
HCHitachi Industrial Equipment Systems Co.: 4 patents #117 of 550Top 25%
HAHitachi Astemo: 2 patents #393 of 1,276Top 35%
HCHitachi Keiyo Engineering Co.: 2 patents #32 of 115Top 30%
Tokyo, JP: #455 of 90,295 inventorsTop 1%
Overall (All Time): #15,731 of 4,157,543Top 1%
96 Patents All Time
Kinya Nakatsu has been granted 96 US patents while listed as an inventor at Hitachi. The first was granted in 1999 and the most recent in July 2024. Kinya Nakatsu ranks #15,731 of 4,157,543 US inventors in our database (top 0.38%). Patent records list Kinya Nakatsu in Tokyo, JP.

Patents per Year

Patents granted per year, 1999 to 2024Bar chart with a peak of 12 patents in 2014.peak 121999: 1 patents19992000: 1 patents2002: 2 patents2003: 1 patents20032004: 2 patents2005: 7 patents2006: 2 patents20062007: 2 patents2009: 4 patents2010: 7 patents20102011: 9 patents2012: 3 patents2013: 8 patents20132014: 12 patents2015: 8 patents2016: 7 patents20162017: 6 patents2018: 3 patents2019: 5 patents20192020: 1 patents2021: 3 patents2024: 2 patents2024

Issued Patents All Time

Showing 1–25 of 96 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12034379 Power conversion system Hajime Urai, Hiroshi Kamizuma, Kimihisa Furukawa, Noriya NAKAO 2024-07-09
11949288 Wheel drive device and electric vehicle provided with the same Takahiro Araki, Takayoshi Nakamura, Akihiro Namba, Hiroyuki Ooiwa, Hideki Miyazaki 2024-04-02
11139748 Power module, power converter device, and electrically powered vehicle Hiroshi Hozoji, Takeshi Tokuyama, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2021-10-05
11089702 Power conversion apparatus and electric vehicle Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou 2021-08-10
10966355 Electric power conversion apparatus Takeshi Tokuyama, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2021-03-30
10856450 Power conversion apparatus Takeshi Tokuyama, Ryuichi Saito 2020-12-01
10524398 Electric power conversion apparatus Takeshi Tokuyama, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2019-12-31
10348214 Power module, power converter device, and electrically powered vehicle Hiroshi Hozoji, Takeshi Tokuyama, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2019-07-09
10321585 Power conversion apparatus and electric vehicle Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou 2019-06-11
10238015 Power conversion apparatus Takeshi Tokuyama, Ryuichi Saito 2019-03-19
10178780 Power conversion apparatus and electric vehicle Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou 2019-01-08
10136555 Power conversion apparatus having a metal plate for heat dissipation Takuro Kanazawa, Haruaki Motoda 2018-11-20
9912248 Power module Hiromi Shimazu, Kouji Sasaki, Takahiro Shimura, Hisashi Tanie 2018-03-06
9888591 Power conversion apparatus and electric vehicle Hideyo Suzuki, Fusanori Nishikimi, Takeshi Matsuo, Toshiya Satou 2018-02-06
9729076 Power module, power converter device, and electrically powered vehicle Hiroshi Hozoji, Takeshi Tokuyama, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2017-08-08
9648791 Electric power conversion apparatus Takeshi Tokuyama, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2017-05-09
9609789 Power conversion apparatus Takeshi Tokuyama, Ryuichi Saito 2017-03-28
9591789 Power semiconductor module and power module Eiichi Ide, Eiji Nishioka, Toshiaki Ishii, Junpei Kusukawa, Nobutake Tsuyuno +2 more 2017-03-07
9585292 Power converter Keisuke Horiuchi, Yosei Hara, Morio Kuwano, Atsuo Nishihara 2017-02-28
9583264 Capacitor device and electrical power conversion device Hiroshi Kamizuma, Junpei Kusukawa, Takeshi Tokuyama 2017-02-28
9510487 Power conversion apparatus Keisuke Horiuchi, Atsuo Nishihara, Morio Kuwano, Yosei Hara 2016-11-29
9439332 Power module Eiichi Ide, Eiji Nishioka, Toshiaki Ishii, Junpei Kusukawa, Tokihito Suwa 2016-09-06
9433134 Power semiconductor module and power converter using the same Takeshi Tokuyama, Ryuichi Saito, Toshiya Satoh, Tokihito Suwa 2016-08-30
9419535 Electric power converter Atsuo Nishihara, Ken Maeda, Yukio Hattori 2016-08-16
9407163 Power module, power converter device, and electrically powered vehicle Hiroshi Hozoji, Takeshi Tokuyama, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2016-08-02