Inventor
TANAKA KOHEI
JP80 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WACOM CO LTD
25 patentsUS11379057B2Jul 5, 2022
Electronic pen
WACOM CO LTD4 citations84
US10503281B2Dec 10, 2019
Position indicator
WACOM CO LTD8 citations84
US10427449B2Oct 1, 2019
Writing instrument and electronic pen body section
WACOM CO LTD7 citations84
US11906384B2Feb 20, 2024
Pressure detection device with improved load and response accuracy
WACOM CO LTD2 citations73
US11809645B2Nov 7, 2023
Electronic pen
WACOM CO LTD3 citations73
US11429207B2Aug 30, 2022
Capacitive-coupling electronic pen
WACOM CO LTD4 citations73
US11150750B2Oct 19, 2021
Electronic pen and electronic pen main body unit
WACOM CO LTD3 citations73
US10802616B2Oct 13, 2020
Electronic pen
WACOM CO LTD2 citations73
US10761620B2Sep 1, 2020
Electronic pen
WACOM CO LTD5 citations73
US10579164B2Mar 3, 2020
Electronic pen and electronic pen main body section
WACOM CO LTD4 citations73
US10365733B2Jul 30, 2019
Electronic pen
WACOM CO LTD1 citations73
USD1066341SMar 11, 2025
Digital stylus with transparent nib
WACOM CO LTD4 citations72
US11237652B2Feb 1, 2022
Electronic pen
WACOM CO LTD3 citations72
US11216088B2Jan 4, 2022
Electronic pen
WACOM CO LTD2 citations72
US11010002B2May 18, 2021
Electronic pen and cartridge for electronic pen
WACOM CO LTD3 citations70
US12393289B2Aug 19, 2025
Electronic pen with electronic pen body part having button switch and pusher part inserted into insertion part formed in operator
WACOM CO LTD1 citations64
US12216843B2Feb 4, 2025
Electronic pen
WACOM CO LTD0 citations63
US12204702B2Jan 21, 2025
Electronic pen
WACOM CO LTD0 citations63
US11853487B2Dec 26, 2023
Electronic pen
WACOM CO LTD0 citations63
US12229350B2Feb 18, 2025
Electronic pen
WACOM CO LTD0 citations62
US12203825B2Jan 21, 2025
Pressure detection device with improved load and response accuracy
WACOM CO LTD0 citations62
US12032757B2Jul 9, 2024
Electronic pen with electronic pen body part having button switch and pusher part inserted into insertion part formed in operator
WACOM CO LTD1 citations62
US11294480B2Apr 5, 2022
Electronic pen of electromagnetic coupling type
WACOM CO LTD0 citations62
USD1081667SJul 1, 2025
Transparent nib for digital stylus
WACOM CO LTD1 citations61
US11269464B2Mar 8, 2022
Electronic pen and cartridge for electronic pen
WACOM CO LTD0 citations59
SHARP KK
5 patentsUS9760102B2Sep 12, 2017
Active-matrix substrate, display panel and display device including the same
SHARP KK12 citations92
US9798339B2Oct 24, 2017
Active-matrix substrate, display panel and display device including the same
SHARP KK12 citations84
US7153359B2Dec 26, 2006
Crystalline semiconductor film and production method thereof, and semiconductor device and production method thereof
SHARP KK16 citations82
US10901442B2Jan 26, 2021
Active-matrix substrate, display panel and display device including the same
SHARP KK1 citations73
US10365674B2Jul 30, 2019
Active-matrix substrate, display panel and display device including the same
SHARP KK3 citations73
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsSUGITA YASUHIRO
2 patentsTANAKA KOHEI
2 patentsNISSIN ION EQUIPMENT CO LTD
2 patentsFUJIFILM BUSINESS INNOVATION CORP
2 patentsBROWN CHRISTOPHER
2 patentsFUJI XEROX CO LTD
1 patentJAPAN AEROSPACE EXPLORATION
1 patentMITSUBISHI ELECTRIC CORP
1 patentAIPHONE CO LTD
1 patentDISCO CORP
1 patentFUJIKURA LTD
1 patentONO PHARMACEUTICAL CO
1 patentSEKISUI PLASTICS
1 patentShowing the top 50 of 80 patents by PatentIndex Score.