Koji; Yukichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koji; Yukichi.The latest application filed is for "etching agent for copper or copper alloy".
- Koji; Yukichi - Tokyo JP
- Koji; Yukichi - Shiga-ken JP
- Koji; Yukichi - Otsu-shi JP
| Patent | Date |
|---|---|
| Etching solution for copper or copper alloy Grant 10,570,522 - Yoshida , et al. Feb | 2020-02-25 |
| Etching agent for copper or copper alloy Grant 9,790,600 - Kojima , et al. October 17, 2 | 2017-10-17 |
| Cleaning agent for semiconductor provided with metal wiring Grant 9,476,019 - Nakanishi , et al. October 25, 2 | 2016-10-25 |
| Etching Agent For Copper Or Copper Alloy App 20160053383 - KOJIMA; Tsutomu ; et al. | 2016-02-25 |
| Etching agent for copper or copper alloy Grant 9,175,404 - Kojima , et al. November 3, 2 | 2015-11-03 |
| Cleaning Agent For Semiconductor Provided With Metal Wiring App 20150259632 - NAKANISHI; Mutsumi ; et al. | 2015-09-17 |
| Cleaning agent for semiconductor provided with metal wiring Grant 9,045,717 - Nakanishi , et al. June 2, 2 | 2015-06-02 |
| Etching Agent For Copper Or Copper Alloy App 20140238953 - Kojima; Tsutomu ; et al. | 2014-08-28 |
| Etching Solution For Copper Or Copper Alloy App 20130270217 - Yoshida; Yutaka ; et al. | 2013-10-17 |
| Cleaning Agent For Semiconductor Provided With Metal Wiring App 20130203643 - Nakanishi; Mutsumi ; et al. | 2013-08-08 |
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.
| 