loadpatents
Patent applications and USPTO patent grants for Kamiyama; Ryoji.The latest application filed is for "electronic erasing device and writing information processing system".
Patent | Date |
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Electronic Erasing Device And Writing Information Processing System App 20220300092 - Kamiyama; Ryoji ;   et al. | 2022-09-22 |
Electronic erasing device and writing information processing system Grant 11,385,725 - Kamiyama , et al. July 12, 2 | 2022-07-12 |
Electronic pen Grant 11,360,584 - Yamashita , et al. June 14, 2 | 2022-06-14 |
Cover for a cartridge of an electronic pen Grant D947,191 - Kamiyama March 29, 2 | 2022-03-29 |
Cartridge for an electronic pen Grant D947,192 - Kamiyama , et al. March 29, 2 | 2022-03-29 |
Cartridge for an electronic pen Grant D946,576 - Kamiyama , et al. March 22, 2 | 2022-03-22 |
Cartridge for an electronic pen Grant D946,575 - Kamiyama March 22, 2 | 2022-03-22 |
Electronic Pen Core Body And Electronic Pen App 20220050536 - KAMIYAMA; Ryoji ;   et al. | 2022-02-17 |
Electronic Pen App 20220019300 - Yamashita; Shigeru ;   et al. | 2022-01-20 |
Electronic Pen, Electronic Pen Cartridge, And Electronic Pen Main Unit App 20210382569 - KAMIYAMA; Ryoji | 2021-12-09 |
Electronic pen Grant 11,169,625 - Yamashita , et al. November 9, 2 | 2021-11-09 |
Electronic Erasing Device And Writing Information Processing System App 20210247851 - Kamiyama; Ryoji ;   et al. | 2021-08-12 |
Electronic Pen App 20200379583 - Yamashita; Shigeru ;   et al. | 2020-12-03 |
Cartridge for an electronic pen Grant D897,341 - Kamiyama , et al. September 29, 2 | 2020-09-29 |
Electronic pen Grant 10,768,720 - Yamashita , et al. Sep | 2020-09-08 |
Electronic pen and electronic pen main body unit Grant 10,739,872 - Kamiyama , et al. A | 2020-08-11 |
Electronic pen, electronic pen main unit, and method for manufacturing electronic pen main unit Grant 10,678,350 - Kamiyama , et al. | 2020-06-09 |
Electronic Pen App 20190369758 - Yamashita; Shigeru ;   et al. | 2019-12-05 |
Electronic pen including a pressing member having an extension that extends along an outer wall of a writing-pressure detector Grant 10,474,253 - Kamiyama , et al. Nov | 2019-11-12 |
Electronic pen and electronic pen main body Grant 10,459,539 - Kamiyama , et al. Oc | 2019-10-29 |
Magnetic core coil and electronic pen Grant 10,345,930 - Horie , et al. July 9, 2 | 2019-07-09 |
Electronic Pen And Electronic Pen Main Body Unit App 20190025951 - KAMIYAMA; Ryoji ;   et al. | 2019-01-24 |
Electronic Pen, Electronic Pen Main Unit, And Method For Manufacturing Electronic Pen Main Unit App 20180364823 - KAMIYAMA; Ryoji ;   et al. | 2018-12-20 |
Position pointer and position indicator cartridge Grant 10,152,144 - Horie , et al. Dec | 2018-12-11 |
Magnetic Core Coil And Electronic Pen App 20180081458 - Horie; Toshihiko ;   et al. | 2018-03-22 |
Electronic Pen App 20180011560 - Kamiyama; Ryoji ;   et al. | 2018-01-11 |
Electronic Pen And Electronic Pen Main Body App 20170357340 - Kamiyama; Ryoji ;   et al. | 2017-12-14 |
Position Pointer And Position Indicator Cartridge App 20170090605 - HORIE; Toshihiko ;   et al. | 2017-03-30 |
Position indicator Grant 9,600,095 - Horie , et al. March 21, 2 | 2017-03-21 |
Pen pressure detecting module and position indicator Grant 9,513,719 - Ito , et al. December 6, 2 | 2016-12-06 |
Position Indicator App 20160162049 - Horie; Toshihiko ;   et al. | 2016-06-09 |
Pen Pressure Detecting Module And Position Indicator App 20150035807 - ITO; Masamitsu ;   et al. | 2015-02-05 |
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