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 1–25 of 61 patents

Patent #TitleCo-InventorsDate
12400932 Power conversion device with refrigerant Kyota ASAI 2025-08-26
12316171 Inverter integrated motor Takaki ITAYA, Masahiro Hori, Takashi Hirao 2025-05-27
12301061 Rotor of rotating electrical machine and electrical drive system Masahiro Hori, Noriaki Hino, Masanori SAWAHATA 2025-05-13
12261513 Electric system for cooling a motor and inverter unit Masanori SAWAHATA, Masahiro Hori, Hideaki Goto 2025-03-25
12184189 Power conversion device Takashi Hirao, Noriyuki Maekawa 2024-12-31
11956933 Power conversion device and motor-integrated power conversion device Takashi Hirao, Noriyuki Maekawa, Akira Matsushita, Toshiya Satoh 2024-04-09
11201143 Semiconductor device with a protruding base member Akira Matsushita, Tokihito Suwa 2021-12-14
11139748 Power module, power converter device, and electrically powered vehicle Kinya Nakatsu, Hiroshi Hozoji, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2021-10-05
10966355 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2021-03-30
10856450 Power conversion apparatus Kinya Nakatsu, Ryuichi Saito 2020-12-01
10818573 Power semiconductor module with heat dissipation plate Nobutake Tsuyuno, Eiichi Ide 2020-10-27
10763190 Power semiconductor module, power conversion device using same, and method for manufacturing power conversion device Nobutake Tsuyuno, Morio Kuwano 2020-09-01
10615102 Power semiconductor module Yusuke Takagi, Shun KAWANO, Takahiro Shimura, Akira Matsushita 2020-04-07
10524398 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2019-12-31
10367426 Power conversion device Akira Matsushita, Ryuuichi Saitou 2019-07-30
10348214 Power module, power converter device, and electrically powered vehicle Kinya Nakatsu, Hiroshi Hozoji, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2019-07-09
10238015 Power conversion apparatus Kinya Nakatsu, Ryuichi Saito 2019-03-19
10194563 Power conversion device Nobutake Tsuyuno, Eiichi Ide 2019-01-29
10177676 Power converter Morio Kuwano, Toshiya Satoh, Akihiro Namba 2019-01-08
10128164 Electronic device and method of manufacturing the electronic device Hiroyuki Temmei, Mina Amo, Nobutake Tsuyuno, Toshiaki Ishii, Toshiya Satoh 2018-11-13
10068880 Power module Nobutake Tsuyuno, Junpei Kusukawa, Tokihito Suwa 2018-09-04
10027246 Power semiconductor module and electric power conversion device Takahiro Shimura, Toshiya Satoh 2018-07-17
9852962 Waterproof electronic device and manufacturing method thereof Hiroyuki Temmei, Mina Amo, Nobutake Tsuyuno, Eiichi Ide, Toshiya Satoh +2 more 2017-12-26
9729076 Power module, power converter device, and electrically powered vehicle Kinya Nakatsu, Hiroshi Hozoji, Yusuke Takagi, Toshiya Satoh, Taku Oyama +1 more 2017-08-08
9648791 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2017-05-09