Inventor
YOSHIOKA AKIRA
JP71 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
32 patentsUS7498618B2Mar 3, 2009
Nitride semiconductor device
TOSHIBA KK13 citations84
US7538366B2May 26, 2009
Nitride semiconductor device
TOSHIBA KK17 citations83
US9917182B1Mar 13, 2018
Semiconductor device
TOSHIBA KK7 citations82
US8853742B2Oct 7, 2014
Semiconductor device having nitride layers
TOSHIBA KK5 citations73
US8030660B2Oct 4, 2011
Semiconductor device
TOSHIBA KK6 citations73
US6756615B2Jun 29, 2004
Heterojunction bipolar transistor and its manufacturing method
TOSHIBA KK11 citations73
US11508647B2Nov 22, 2022
Semiconductor device
TOSHIBA KK2 citations72
US11264899B2Mar 1, 2022
Semiconductor device
TOSHIBA KK4 citations72
US10868163B2Dec 15, 2020
Semiconductor device
TOSHIBA KK3 citations72
US10771057B1Sep 8, 2020
Semiconductor device
TOSHIBA KK3 citations72
US9627489B2Apr 18, 2017
Semiconductor device
TOSHIBA KK2 citations72
US12328924B2Jun 10, 2025
Semiconductor device
TOSHIBA KK1 citations64
US12356692B2Jul 8, 2025
Nitride semiconductor device
TOSHIBA KK0 citations63
US8963203B2Feb 24, 2015
Nitride semiconductor device and method for manufacturing same
TOSHIBA KK3 citations63
US8872192B2Oct 28, 2014
Rectifier circuit
TOSHIBA KK3 citations63
US12588573B2Mar 24, 2026
Semiconductor device
TOSHIBA KK0 citations62
US12170316B2Dec 17, 2024
Nitride semiconductor device with element isolation area
TOSHIBA KK0 citations62
US11830916B2Nov 28, 2023
Nitride semiconductor device with element isolation area
TOSHIBA KK0 citations62
US10998433B2May 4, 2021
Semiconductor device
TOSHIBA KK1 citations62
US7728354B2Jun 1, 2010
Semiconductor device
TOSHIBA KK4 citations62
US9184258B2Nov 10, 2015
GaN based semiconductor device and method of manufacturing the same
TOSHIBA KK2 citations61
US12444668B2Oct 14, 2025
Semiconductor device
TOSHIBA KK0 citations52
US12362264B2Jul 15, 2025
Semiconductor device
TOSHIBA KK0 citations52
US12273101B2Apr 8, 2025
Semiconductor device
TOSHIBA KK0 citations52
US12046668B2Jul 23, 2024
Semiconductor device
TOSHIBA KK0 citations52
US12002858B2Jun 4, 2024
Semiconductor device
TOSHIBA KK0 citations52
US11984387B2May 14, 2024
Plurality of stacked transistors attached by solder balls
TOSHIBA KK0 citations52
US11948864B2Apr 2, 2024
Semiconductor device
TOSHIBA KK0 citations52
US9698141B2Jul 4, 2017
Semiconductor device
TOSHIBA KK1 citations52
US9543146B2Jan 10, 2017
Manufacturing method of semiconductor device that includes forming plural nitride semiconductor layers of identical material
TOSHIBA KK0 citations52
US9287368B2Mar 15, 2016
Nitride semiconductor device and method for manufacturing same
TOSHIBA KK0 citations52
US9006790B2Apr 14, 2015
Nitride semiconductor device
TOSHIBA KK0 citations52
TOYOTA MOTOR CO LTD
4 patentsUS10552458B2Feb 4, 2020
Data transmission device, data sharing system, data sharing method, and message exchanging system
TOYOTA MOTOR CO LTD2 citations69
US11743341B2Aug 29, 2023
Multi-agent simulation system and method
TOYOTA MOTOR CO LTD1 citations58
US11736571B2Aug 22, 2023
Multi-agent simulation system and method
TOYOTA MOTOR CO LTD1 citations58
US11595481B2Feb 28, 2023
Multi-agent simulation system
TOYOTA MOTOR CO LTD1 citations58
NIPPON ZEON CO
3 patentsUS4412041AOct 25, 1983
Process for modifying rubbers employing a compound containing a carboxyl and an aldehyde group
NIPPON ZEON CO59 citations96
US4412031AOct 25, 1983
Modified rubber composition employing a compound containing a carboxyl and an aldehyde group
NIPPON ZEON CO50 citations96
US4654435AMar 31, 1987
Process for addition reaction of unsaturated organic compounds
NIPPON ZEON CO22 citations82
YOSHIOKA AKIRA
3 patentsMITSUBISHI MATERIALS CORP
2 patentsMITSUBISHI MOTORS CORP
1 patentTORAY INDUSTRIES
1 patentSAITO WATARU
1 patentSAITO YASUNOBU
1 patentSUMITOMO BAKELITE CO
1 patentMURATA NAOSHI
1 patentShowing the top 50 of 71 patents by PatentIndex Score.