P

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 patents
US11379057B2Jul 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 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

SUGITA YASUHIRO

2 patents

TANAKA KOHEI

2 patents

NISSIN ION EQUIPMENT CO LTD

2 patents

FUJIFILM BUSINESS INNOVATION CORP

2 patents

BROWN CHRISTOPHER

2 patents

FUJI XEROX CO LTD

1 patent

JAPAN AEROSPACE EXPLORATION

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

AIPHONE CO LTD

1 patent

DISCO CORP

1 patent

FUJIKURA LTD

1 patent

ONO PHARMACEUTICAL CO

1 patent

SEKISUI PLASTICS

1 patent

Showing the top 50 of 80 patents by PatentIndex Score.