Ryoji Kamiyama

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic pen and electronic pen main body
- Patent number 12,153,744
- Issue date Nov 26, 2024
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Knock-type electronic pen including first and second position indic...
- Patent number 12,001,618
- Issue date Jun 4, 2024
- Wacom Co., Ltd.
- Daisuke Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen cartridge
- Patent number 11,941,194
- Issue date Mar 26, 2024
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen central rod and electronic pen main body part
- Patent number 11,861,078
- Issue date Jan 2, 2024
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen, electronic pen cartridge, and electronic pen main unit
- Patent number 11,809,644
- Issue date Nov 7, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cartridge for an electronic pen
- Patent number D1001130
- Issue date Oct 10, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D19 - Office supplies
Information Patent Grant
Electronic pen core body and electronic pen
- Patent number 11,714,498
- Issue date Aug 1, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic erasing device and writing information processing system
- Patent number 11,662,834
- Issue date May 30, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cartridge for an electronic pen
- Patent number D978966
- Issue date Feb 21, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D19 - Office supplies
Information Patent Grant
Cartridge for an electronic pen
- Patent number D978243
- Issue date Feb 14, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D19 - Office supplies
Information Patent Grant
Electronic pen core body and electronic pen
- Patent number 11,573,649
- Issue date Feb 7, 2023
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen central rod and electronic pen main body part
- Patent number 11,531,410
- Issue date Dec 20, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cartridge for an electronic pen
- Patent number D968408
- Issue date Nov 1, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Cartridge for an electronic pen
- Patent number D966268
- Issue date Oct 11, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Electronic erasing device and writing information processing system
- Patent number 11,385,725
- Issue date Jul 12, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen
- Patent number 11,360,584
- Issue date Jun 14, 2022
- Wacom Co., Ltd.
- Shigeru Yamashita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cartridge for an electronic pen
- Patent number D947192
- Issue date Mar 29, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Cartridge for an electronic pen
- Patent number D946576
- Issue date Mar 22, 2022
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Electronic pen
- Patent number 11,169,625
- Issue date Nov 9, 2021
- Wacom Co., Ltd.
- Shigeru Yamashita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cartridge for an electronic pen
- Patent number D897341
- Issue date Sep 29, 2020
- Wacom Co., Ltd.
- Ryoji Kamiyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Electronic pen
- Patent number 10,768,720
- Issue date Sep 8, 2020
- Wacom Co., Ltd.
- Shigeru Yamashita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen and electronic pen main body unit
- Patent number 10,739,872
- Issue date Aug 11, 2020
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen, electronic pen main unit, and method for manufactur...
- Patent number 10,678,350
- Issue date Jun 9, 2020
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen including a pressing member having an extension that...
- Patent number 10,474,253
- Issue date Nov 12, 2019
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen and electronic pen main body
- Patent number 10,459,539
- Issue date Oct 29, 2019
- Wacom Co., Ltd.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic core coil and electronic pen
- Patent number 10,345,930
- Issue date Jul 9, 2019
- Wacom Co., Ltd.
- Toshihiko Horie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position pointer and position indicator cartridge
- Patent number 10,152,144
- Issue date Dec 11, 2018
- Wacom Co., Ltd.
- Toshihiko Horie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position indicator
- Patent number 9,600,095
- Issue date Mar 21, 2017
- Wacom Co., Ltd.
- Toshihiko Horie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pen pressure detecting module and position indicator
- Patent number 9,513,719
- Issue date Dec 6, 2016
- Wacom Co., Ltd.
- Masamitsu Ito
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY
- Publication number 20240028139
- Publication date Jan 25, 2024
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN, ELECTRONIC PEN CARTRIDGE, AND ELECTRONIC PEN MAIN UNIT
- Publication number 20240019946
- Publication date Jan 18, 2024
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN CENTRAL ROD AND ELECTRONIC PEN MAIN BODY PART
- Publication number 20230214029
- Publication date Jul 6, 2023
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN CARTRIDGE
- Publication number 20230161426
- Publication date May 25, 2023
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN CORE BODY AND ELECTRONIC PEN
- Publication number 20230123155
- Publication date Apr 20, 2023
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
KNOCK-TYPE ELECTRONIC PEN
- Publication number 20220413639
- Publication date Dec 29, 2022
- WACOM CO., LTD.
- Daisuke WATANABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN CENTRAL ROD AND ELECTRONIC PEN MAIN BODY PART
- Publication number 20220350427
- Publication date Nov 3, 2022
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC ERASING DEVICE AND WRITING INFORMATION PROCESSING SYSTEM
- Publication number 20220300092
- Publication date Sep 22, 2022
- WACOM CO., LTD.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN CORE BODY AND ELECTRONIC PEN
- Publication number 20220050536
- Publication date Feb 17, 2022
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN
- Publication number 20220019300
- Publication date Jan 20, 2022
- WACOM CO., LTD.
- Shigeru YAMASHITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN, ELECTRONIC PEN CARTRIDGE, AND ELECTRONIC PEN MAIN UNIT
- Publication number 20210382569
- Publication date Dec 9, 2021
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC ERASING DEVICE AND WRITING INFORMATION PROCESSING SYSTEM
- Publication number 20210247851
- Publication date Aug 12, 2021
- WACOM CO., LTD.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN
- Publication number 20200379583
- Publication date Dec 3, 2020
- WACOM CO., LTD.
- Shigeru YAMASHITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN
- Publication number 20190369758
- Publication date Dec 5, 2019
- WACOM CO., LTD.
- Shigeru YAMASHITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY UNIT
- Publication number 20190025951
- Publication date Jan 24, 2019
- WACOM CO., LTD.
- Ryoji KAMIYAMA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
ELECTRONIC PEN, ELECTRONIC PEN MAIN UNIT, AND METHOD FOR MANUFACTUR...
- Publication number 20180364823
- Publication date Dec 20, 2018
- WACOM CO., LTD.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC CORE COIL AND ELECTRONIC PEN
- Publication number 20180081458
- Publication date Mar 22, 2018
- WACOM CO., LTD.
- Toshihiko Horie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN
- Publication number 20180011560
- Publication date Jan 11, 2018
- WACOM CO., LTD.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY
- Publication number 20170357340
- Publication date Dec 14, 2017
- WACOM CO., LTD.
- Ryoji Kamiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POSITION POINTER AND POSITION INDICATOR CARTRIDGE
- Publication number 20170090605
- Publication date Mar 30, 2017
- WACOM CO., LTD.
- Toshihiko HORIE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POSITION INDICATOR
- Publication number 20160162049
- Publication date Jun 9, 2016
- WACOM CO., LTD.
- Toshihiko Horie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PEN PRESSURE DETECTING MODULE AND POSITION INDICATOR
- Publication number 20150035807
- Publication date Feb 5, 2015
- WACOM CO., LTD.
- Masamitsu ITO
- G06 - COMPUTING CALCULATING COUNTING

Ryoji Kamiyama

Person

Patents Grantslast 30 patents

Electronic pen and electronic pen main body

Knock-type electronic pen including first and second position indic...

Electronic pen cartridge

Electronic pen central rod and electronic pen main body part

Electronic pen, electronic pen cartridge, and electronic pen main unit

Cartridge for an electronic pen

Electronic pen core body and electronic pen

Electronic erasing device and writing information processing system

Cartridge for an electronic pen

Cartridge for an electronic pen

Electronic pen core body and electronic pen

Electronic pen central rod and electronic pen main body part

Cartridge for an electronic pen

Cartridge for an electronic pen

Electronic erasing device and writing information processing system

Electronic pen

Cartridge for an electronic pen

Cartridge for an electronic pen

Electronic pen

Cartridge for an electronic pen

Electronic pen

Electronic pen and electronic pen main body unit

Electronic pen, electronic pen main unit, and method for manufactur...

Electronic pen including a pressing member having an extension that...

Electronic pen and electronic pen main body

Magnetic core coil and electronic pen

Position pointer and position indicator cartridge

Position indicator

Pen pressure detecting module and position indicator

Patents Applicationslast 30 patents

ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY

ELECTRONIC PEN, ELECTRONIC PEN CARTRIDGE, AND ELECTRONIC PEN MAIN UNIT

ELECTRONIC PEN CENTRAL ROD AND ELECTRONIC PEN MAIN BODY PART

ELECTRONIC PEN CARTRIDGE

ELECTRONIC PEN CORE BODY AND ELECTRONIC PEN

KNOCK-TYPE ELECTRONIC PEN

ELECTRONIC PEN CENTRAL ROD AND ELECTRONIC PEN MAIN BODY PART

ELECTRONIC ERASING DEVICE AND WRITING INFORMATION PROCESSING SYSTEM

ELECTRONIC PEN CORE BODY AND ELECTRONIC PEN

ELECTRONIC PEN

ELECTRONIC PEN, ELECTRONIC PEN CARTRIDGE, AND ELECTRONIC PEN MAIN UNIT

ELECTRONIC ERASING DEVICE AND WRITING INFORMATION PROCESSING SYSTEM

ELECTRONIC PEN

ELECTRONIC PEN

ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY UNIT

ELECTRONIC PEN, ELECTRONIC PEN MAIN UNIT, AND METHOD FOR MANUFACTUR...

MAGNETIC CORE COIL AND ELECTRONIC PEN

ELECTRONIC PEN

ELECTRONIC PEN AND ELECTRONIC PEN MAIN BODY

POSITION POINTER AND POSITION INDICATOR CARTRIDGE

POSITION INDICATOR

PEN PRESSURE DETECTING MODULE AND POSITION INDICATOR