P

Inventor

NINOMIYA KENICHI

JP64 patents
⚠️ This page may combine multiple inventors who share the name “NINOMIYA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WACOM CO LTD

33 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
US11853484B2Dec 26, 2023

Waterproof electronic pen

WACOM CO LTD4 citations75
US12197656B2Jan 14, 2025

Electronic pen

WACOM CO LTD4 citations74
USD1053192SDec 3, 2024

Nib for digital stylus

WACOM CO LTD2 citations73
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
US11327579B2May 10, 2022

Electronic pen and electronic pen main body unit

WACOM CO LTD2 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
US12282614B2Apr 22, 2025

Electronic pen

WACOM CO LTD1 citations63
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
US12585344B2Mar 24, 2026

Electronic pen

WACOM CO LTD0 citations62
US12493365B2Dec 9, 2025

Waterproof electronic pen

WACOM CO LTD0 citations62
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
US12111986B2Oct 8, 2024

Waterproof electronic pen

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
US11803286B2Oct 31, 2023

Electronic pen

WACOM CO LTD0 citations62
US11550442B2Jan 10, 2023

Electronic pen

WACOM CO LTD0 citations62
US11294480B2Apr 5, 2022

Electronic pen of electromagnetic coupling type

WACOM CO LTD0 citations62
US11269464B2Mar 8, 2022

Electronic pen and cartridge for electronic pen

WACOM CO LTD0 citations59

MEKIKI CO LTD

7 patents
US6879985B2Apr 12, 2005

Human relationships registering system, method and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD142 citations98
US7496603B2Feb 24, 2009

Human relationships registering system, method and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD44 citations95
US7707172B2Apr 27, 2010

Human relationships registering system, method and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD8 citations92
US7493342B2Feb 17, 2009

Human relationships registering system, method and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD13 citations92
US7493345B2Feb 17, 2009

Human relationships registering system, method and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD14 citations92
US8661058B2Feb 25, 2014

Human relationships registering system and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD2 citations73
US7941447B2May 10, 2011

Human relationships registering system and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer

MEKIKI CO LTD1 citations62

NINOMIYA KENICHI

5 patents

DEGUCHI HIKARU

3 patents

DOMANS INC

2 patents

Showing the top 50 of 64 patents by PatentIndex Score.