Shirai; Hiroyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shirai; Hiroyuki.The latest application filed is for "vacuum switch".

Company Profile

0.15.3

Shirai; Hiroyuki - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electrode for vacuum circuit breaker, and vacuum interrupter using the electrode Grant 9,208,960 - Tomiyasu , et al. December 8, 2	2015-12-08
Vacuum Switch App 20150060409 - Iitsuka; Shinsuke ; et al.	2015-03-05
Electrode For Vacuum Circuit Breaker, And Vacuum Interrupter Using The Electrode App 20140367362 - TOMIYASU; Kunihiko ; et al.	2014-12-18
Indomethacin external preparation Grant 7,553,865 - Shirai , et al. June 30, 2	2009-06-30
Indometacin preparation for external use App 20050239868 - Shirai, Hiroyuki ; et al.	2005-10-27
Detachable two-frame process cartridge for an image forming apparatus Grant 6,118,961 - Nomura , et al. September 12, 2	2000-09-12
Process cartridge having shiftable cover with specific spacing between cover and cartridge Grant 6,097,911 - Watanabe , et al. August 1, 2	2000-08-01
Process cartridge having shiftable cover and guide member for directing airflow Grant 6,075,956 - Watanabe , et al. June 13, 2	2000-06-13
Process cartridge and image forming apparatus usable therewith Grant 5,987,278 - Nomura , et al. November 16, 1	1999-11-16
Process cartridge mountable in an image forming system and a method for assembling a cleaning device Grant 5,828,928 - Sasago , et al. October 27, 1	1998-10-27
Detachable two-frame process cartridge for an image forming apparatus Grant 5,682,579 - Nomura , et al. October 28, 1	1997-10-28
Process cartridge and image forming system on which process cartridge is mountable Grant 5,623,328 - Tsuda , et al. April 22, 1	1997-04-22
Process cartridge with blade member having a flat-surface side and an angled-surface side Grant 5,608,509 - Shirai , et al. March 4, 1	1997-03-04
Blade member having a flat-surface side and an angled-surface side Grant 5,470,635 - Shirai , et al. November 28, 1	1995-11-28
Developing device for copying machine Grant D355,208 - Ishibashi , et al. * February 7, 1	1995-02-07
Detachable two-frame process cartridge for an image forming apparatus Grant 5,294,960 - Nomura , et al. March 15, 1	1994-03-15
Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member Grant 5,208,634 - Ikemoto , et al. May 4, 1	1993-05-04
Toner seal for developing unit in process cartridge Grant 5,134,960 - Shirai August 4, 1	1992-08-04

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.