Inventor
TAKAHASHI KEI
JP344 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
38 patentsUS9614258B2Apr 4, 2017
Power storage device and power storage system
SEMICONDUCTOR ENERGY LAB1,013 citations99
US11222583B2Jan 11, 2022
Display and electronic device including the display
SEMICONDUCTOR ENERGY LAB15 citations94
US10198235B2Feb 5, 2019
Display device, display unit, and display system
SEMICONDUCTOR ENERGY LAB15 citations94
US9984624B2May 29, 2018
Semiconductor device, driver IC, and electronic device
SEMICONDUCTOR ENERGY LAB27 citations94
US9940086B2Apr 10, 2018
Display device, display unit, and display system
SEMICONDUCTOR ENERGY LAB25 citations94
US9742356B2Aug 22, 2017
Semiconductor device outputting reference voltages
SEMICONDUCTOR ENERGY LAB17 citations93
US9666678B2May 30, 2017
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB11 citations93
US9048117B2Jun 2, 2015
Pulse output circuit, display device, and electronic device
SEMICONDUCTOR ENERGY LAB17 citations93
US11567724B2Jan 31, 2023
Display device, display unit, and display system
SEMICONDUCTOR ENERGY LAB5 citations86
US11417273B2Aug 16, 2022
Semiconductor device, display device, electronic device, and operation method
SEMICONDUCTOR ENERGY LAB15 citations86
US11362647B2Jun 14, 2022
Hysteresis comparator, semiconductor device, and power storage device
SEMICONDUCTOR ENERGY LAB6 citations86
US11404447B2Aug 2, 2022
Display device and electronic device
SEMICONDUCTOR ENERGY LAB5 citations84
US11093204B2Aug 17, 2021
Display device, display unit, and display system
SEMICONDUCTOR ENERGY LAB8 citations84
US10777682B2Sep 15, 2020
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB4 citations84
US10700098B2Jun 30, 2020
Display device and electronic device
SEMICONDUCTOR ENERGY LAB5 citations84
US10649295B2May 12, 2020
Display device
SEMICONDUCTOR ENERGY LAB5 citations84
US10613690B2Apr 7, 2020
Touch panel
SEMICONDUCTOR ENERGY LAB7 citations84
US10608017B2Mar 31, 2020
Display device, display module, and electronic device
SEMICONDUCTOR ENERGY LAB7 citations84
US10572211B2Feb 25, 2020
Display device, display unit, and display system
SEMICONDUCTOR ENERGY LAB9 citations84
US10560056B2Feb 11, 2020
Semiconductor device
SEMICONDUCTOR ENERGY LAB8 citations84
US10521032B2Dec 31, 2019
Display device and input/output device
SEMICONDUCTOR ENERGY LAB6 citations84
US10490142B2Nov 26, 2019
Semiconductor device, display device, and electronic device
SEMICONDUCTOR ENERGY LAB8 citations84
US10476289B2Nov 12, 2019
Method for charging lithium ion secondary battery and battery charger
SEMICONDUCTOR ENERGY LAB5 citations84
US10372004B2Aug 6, 2019
Display device
SEMICONDUCTOR ENERGY LAB4 citations84
US10373983B2Aug 6, 2019
Display device and electronic device
SEMICONDUCTOR ENERGY LAB10 citations84
US10354574B2Jul 16, 2019
Driver IC and electronic device
SEMICONDUCTOR ENERGY LAB9 citations84
US10332912B2Jun 25, 2019
Display device and electronic device including the same
SEMICONDUCTOR ENERGY LAB11 citations84
US10298043B2May 21, 2019
Method for charging lithium ion secondary battery and battery charger
SEMICONDUCTOR ENERGY LAB5 citations84
US10083991B2Sep 25, 2018
Display device, display module, and electronic device
SEMICONDUCTOR ENERGY LAB6 citations84
US10074747B2Sep 11, 2018
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB3 citations84
US10032921B2Jul 24, 2018
Semiconductor device, display module, and electronic device
SEMICONDUCTOR ENERGY LAB7 citations84
US9817032B2Nov 14, 2017
Measurement device
SEMICONDUCTOR ENERGY LAB9 citations84
US9721959B2Aug 1, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations84
US9647131B2May 9, 2017
Semiconductor device, power circuit, and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations84
US9543835B2Jan 10, 2017
DC/DC converter, power supply circuit, and semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations84
US9537478B2Jan 3, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB9 citations84
US9490510B2Nov 8, 2016
Power storage unit and solar power generation unit
SEMICONDUCTOR ENERGY LAB5 citations84
US9461341B2Oct 4, 2016
Power storage device and method for charging the same
SEMICONDUCTOR ENERGY LAB7 citations84
YAMAZAKI SHUNPEI
4 patentsUS8421068B2Apr 16, 2013
Semiconductor device and manufacturing method thereof
YAMAZAKI SHUNPEI98 citations99
US8421069B2Apr 16, 2013
Semiconductor device
YAMAZAKI SHUNPEI62 citations98
US8766608B2Jul 1, 2014
Voltage regulator circuit and semiconductor device, including transistor using oxide semiconductor
YAMAZAKI SHUNPEI22 citations93
US8723173B2May 13, 2014
Semiconductor device, power circuit, and manufacturing method of semiconductor device
YAMAZAKI SHUNPEI21 citations93
TAKAHASHI KEI
2 patentsYAMAICHI ELECTRONICS CO LTD
2 patents(unassigned)
2 patentsMIYAKE HIROYUKI
1 patentITO YOSHIAKI
1 patentShowing the top 50 of 344 patents by PatentIndex Score.