Patent Assignment
Reel/Frame 073089/0248
Merger
Recorded: 2025-12-02
Pages: 17
Assignor
POWDEC K.K.
Executed: 2025-10-01
Assignee
SANKEN ELECTRIC CO., LTD.
3-6-3 KITANO, NIIZA-SHI, 352-8666, JAPAN
Covered Properties
(8)
Semiconductor Element and Device
Application:
18/218,882 →
Publication:
US 2023/0352573
NORMALLY-OFF MODE POLARIZATION SUPER JUNCTION GaN-BASED FIELD EFFECT TRANSISTOR AND ELECTRICAL EQUIPMENT
Diode, Power Reception Device and Power Transmission System
Application:
18/285,464 →
Publication:
US 2024/0194798
NORMALLY-OFF MODE POLARIZATION SUPER JUNCTION GaN-BASED FIELD EFFECT TRANSISTOR AND ELECTRICAL EQUIPMENT
Application:
19/319,225 →
Semiconductor Device
Semiconductor Device Having a Polarization Super Junction Field Effect Transistor, Electric Equipment, Bidirectional Field Effect Transistor, and Mounted Structure Body Having the Same
Hetero-Junction Bipolar Transistor and Electric Device
NORMALLY-OFF MODE POLARIZATION SUPER JUNCTION GaN-BASED FIELD EFFECT TRANSISTOR AND ELECTRICAL EQUIPMENT
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 7, 2013
From: SUMIDA, YASUNOBU; KAWAI, HIROJI
To: POWDEC K.K.
Reel/Frame 029580/0405 →
Assignment of Assignor's Interest
Jan 7, 2013
From: NAKAJIMA, AKIRA; MADATHIL, SANKARA NARAYANAN EKKANATH
To: THE UNIVERSITY OF SHEFFIELD
Reel/Frame 029580/0393 →
Change of Address of Assignee
Jul 17, 2014
From: POWDEC K.K.
To: POWDEC K.K.
Reel/Frame 033358/0356 →
Assignment of Assignor's Interest
Nov 13, 2015
From: ECHIGOYA, SHOKO; NAKAMURA, FUMIHIKO; YAGI, SHUICHI; MATSUMOTO, SOUTA
To: POWDEC K.K.
Reel/Frame 037032/0937 →
Assignment of Assignor's Interest
Dec 12, 2017
From: KAWAI, HIROJI
To: POWDEC K.K.
Reel/Frame 044372/0470 →
Assignment of Assignor's Interest
Oct 25, 2022
From: KAWAI, HIROJI; YAGI, SHUICHI; NARUI, HIRONOBU
To: POWDEC K. K.
Reel/Frame 061531/0840 →
Assignment of Assignor's Interest
Jul 7, 2023
From: SATO, HISAO; OKUNO, KOJI; SHINODA, DAISUKE; UEMURA, TOSHIYA
To: TOYODA GOSEI CO., LTD.; POWDEC K.K.
Reel/Frame 064183/0073 →
Assignment of Assignor's Interest
Aug 11, 2023
From: KAWAI, HIROJI; YAGI, SHUICHI; NARUI, HIRONOBU
To: POWDEC K.K.
Reel/Frame 064569/0466 →
Assignment of Assignor's Interest
Oct 4, 2023
From: KAWAI, HIROJI; YAGI, SHUICHI; NARUI, HIRONOBU
To: POWDEC K. K.
Reel/Frame 065119/0393 →
Assignment of Assignor's Interest
Sep 5, 2025
From: KAWAI, HIROJI; YAGI, SHUICHI; NARUI, HIRONOBU
To: POWDEC K.K.
Reel/Frame 072166/0354 →