Kamiyama; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kamiyama; Ryoji.The latest application filed is for "electronic erasing device and writing information processing system".
- Kamiyama; Ryoji - Saitama JP
- Kamiyama; Ryoji - Ibaraki JP
- Kamiyama; Ryoji - Tokyo JP
- Kamiyama; Ryoji - Toyko JP
| Patent | Date |
|---|---|
| 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 D946,575 - Kamiyama March 22, 2 | 2022-03-22 |
| Cartridge for an electronic pen Grant D946,576 - Kamiyama , et al. 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 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 