Yichuan Pan

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Collapsible wheeled walker with stability enhancing bracket apparat...
- Patent number 11,071,676
- Issue date Jul 27, 2021
- Protostar, Inc.
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker
- Patent number 10,973,730
- Issue date Apr 13, 2021
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker
- Patent number D902791
- Issue date Nov 24, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- D12 - Transportation
Information Patent Grant
Collapsible upright wheeled walker apparatus
- Patent number 10,828,226
- Issue date Nov 10, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker
- Patent number 10,617,592
- Issue date Apr 14, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Collapsible upright wheeled walker apparatus
- Patent number 10,588,815
- Issue date Mar 17, 2020
- Protostar, Inc.
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker wheel direction lock apparatus and method
- Patent number 10,555,866
- Issue date Feb 11, 2020
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker
- Patent number D874351
- Issue date Feb 4, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- D12 - Transportation
Information Patent Grant
Wheeled walker with a moveable seat
- Patent number 10,434,031
- Issue date Oct 8, 2019
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Collapsible upright wheeled walker apparatus
- Patent number 10,322,056
- Issue date Jun 18, 2019
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheeled walker with a movable seat
- Patent number 10,307,321
- Issue date Jun 4, 2019
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Collapsible upright wheeled walker apparatus
- Patent number 10,085,909
- Issue date Oct 2, 2018
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Collapsible upright wheeled walker apparatus
- Patent number 9,585,807
- Issue date Mar 7, 2017
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Case for housing and protecting an electronic device
- Patent number 8,735,721
- Issue date May 27, 2014
- Octo Products LLC
- Yichuan Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Case for housing and protecting an electronic device
- Patent number 8,716,598
- Issue date May 6, 2014
- Octo Products LLC
- Yichuan Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ink level and negative pressure control in an ink jet printer
- Patent number 7,393,071
- Issue date Jul 1, 2008
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid level detection method and apparatus
- Patent number 7,234,787
- Issue date Jun 26, 2007
- Eastman Kodak Company
- Timothy T. Grady
- G01 - MEASURING TESTING
Information Patent Grant
Ink delivery system with print cartridge, container and reservoir a...
- Patent number 7,210,771
- Issue date May 1, 2007
- Eastman Kodak Company
- David A. Neese
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink delivery system including a pulsation dampener
- Patent number 7,004,574
- Issue date Feb 28, 2006
- Eastman Kodak Company
- David A. Neese
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print system including print cartridge
- Patent number 6,935,731
- Issue date Aug 30, 2005
- Eastman Kodak Company
- Steven J. Wirth
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink level and negative pressure control in an ink jet printer
- Patent number 6,908,179
- Issue date Jun 21, 2005
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Replaceable ink jet supply with anti-siphon back pressure control
- Patent number 6,877,846
- Issue date Apr 12, 2005
- Eastman Kodak Company
- Peter J. Fellingham
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead quality management system and method
- Patent number 6,866,359
- Issue date Mar 15, 2005
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Replaceable ink jet print head cartridge assembly with reduced inte...
- Patent number 6,692,116
- Issue date Feb 17, 2004
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Nozzle cross talk reduction in an ink jet printer
- Patent number 6,513,905
- Issue date Feb 4, 2003
- Encad, Inc.
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of forming an inkjet printhead with channels connecting tren...
- Patent number 5,755,032
- Issue date May 26, 1998
- Hewlett-Packard Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of forming an inkjet printhead with trench and backward peni...
- Patent number 5,685,074
- Issue date Nov 11, 1997
- Hewlett-Packard Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE URINATION APPARATUS
- Publication number 20230337873
- Publication date Oct 26, 2023
- David A Purcell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
COLLAPSIBLE WHEELED WALKER WITH STABILITY ENHANCING BRACKET APPARAT...
- Publication number 20210338516
- Publication date Nov 4, 2021
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE WHEELED WALKER WITH STABILITY ENHANCING BRACKET APPARAT...
- Publication number 20200315901
- Publication date Oct 8, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WHEELED WALKER
- Publication number 20200222268
- Publication date Jul 16, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20200206068
- Publication date Jul 2, 2020
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20190254918
- Publication date Aug 22, 2019
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Wheeled Walker with a Moveable Seat
- Publication number 20190247266
- Publication date Aug 15, 2019
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Wheeled Walker Wheel Direction Lock Apparatus and Method
- Publication number 20190105220
- Publication date Apr 11, 2019
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Wheeled Walker with a Movable Seat
- Publication number 20190105221
- Publication date Apr 11, 2019
- Protostar, Inc., a Delaware Corporation
- Yichuan Pan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WHEELED WALKER
- Publication number 20190105222
- Publication date Apr 11, 2019
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20180360686
- Publication date Dec 20, 2018
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20180280226
- Publication date Oct 4, 2018
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20170319424
- Publication date Nov 9, 2017
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ADJUSTABLE WHEEL SUSPENSION ASSEMBLY FOR A WHEELED WALKER
- Publication number 20170065479
- Publication date Mar 9, 2017
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- B60 - VEHICLES IN GENERAL
Information Patent Application
COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS
- Publication number 20160331626
- Publication date Nov 17, 2016
- Protostar, Inc., a Delaware Corporation
- Peter James Fellingham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CASE FOR HOUSING AND PROTECTING AN ELECTRONIC DEVICE
- Publication number 20140054084
- Publication date Feb 27, 2014
- Yichuan Pan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CASE FOR HOUSING AND PROTECTING AN ELECTRONIC DEVICE
- Publication number 20140055014
- Publication date Feb 27, 2014
- Yichuan Pan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ink level and negative pressure control in an ink jet
- Publication number 20050168504
- Publication date Aug 4, 2005
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink delivery system apparatus and method
- Publication number 20050151801
- Publication date Jul 14, 2005
- Eastman Kodak Company
- David A. Neese
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink delivery system including a pulsation dampener
- Publication number 20050151802
- Publication date Jul 14, 2005
- David A. Neese
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid level detection method and apparatus
- Publication number 20050151764
- Publication date Jul 14, 2005
- Eastman Kodak Company
- Timothy T. Grady
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet print system including print cartridge
- Publication number 20050052508
- Publication date Mar 10, 2005
- Steven J. Wirth
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
REPLACEABLE INK JET PRINT HEAD CARTRIDGE ASSEMBLY WITH REDUCED INTE...
- Publication number 20030227521
- Publication date Dec 11, 2003
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Replaceable ink jet print head cartridge assembly with installation...
- Publication number 20030227522
- Publication date Dec 11, 2003
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Replaceable ink jet supply with anti-siphon back pressure control
- Publication number 20030206219
- Publication date Nov 6, 2003
- Eastman Kodak Company
- Peter J. Fellingham
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink level and negative pressure control in an ink jet printer
- Publication number 20020145650
- Publication date Oct 10, 2002
- Eastman Kodak Company
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet printhead quality management system and method
- Publication number 20020113835
- Publication date Aug 22, 2002
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Nozzle cross talk reduction in an ink jet printer
- Publication number 20020067390
- Publication date Jun 6, 2002
- Yichuan Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yichuan Pan

Person

Patents Grantslast 30 patents

Collapsible wheeled walker with stability enhancing bracket apparat...

Wheeled walker

Wheeled walker

Collapsible upright wheeled walker apparatus

Wheeled walker

Collapsible upright wheeled walker apparatus

Wheeled walker wheel direction lock apparatus and method

Wheeled walker

Wheeled walker with a moveable seat

Collapsible upright wheeled walker apparatus

Wheeled walker with a movable seat

Collapsible upright wheeled walker apparatus

Collapsible upright wheeled walker apparatus

Case for housing and protecting an electronic device

Case for housing and protecting an electronic device

Ink level and negative pressure control in an ink jet printer

Liquid level detection method and apparatus

Ink delivery system with print cartridge, container and reservoir a...

Ink delivery system including a pulsation dampener

Ink jet print system including print cartridge

Ink level and negative pressure control in an ink jet printer

Replaceable ink jet supply with anti-siphon back pressure control

Ink jet printhead quality management system and method

Replaceable ink jet print head cartridge assembly with reduced inte...

Nozzle cross talk reduction in an ink jet printer

Method of forming an inkjet printhead with channels connecting tren...

Method of forming an inkjet printhead with trench and backward peni...

Patents Applicationslast 30 patents

PORTABLE URINATION APPARATUS

COLLAPSIBLE WHEELED WALKER WITH STABILITY ENHANCING BRACKET APPARAT...

COLLAPSIBLE WHEELED WALKER WITH STABILITY ENHANCING BRACKET APPARAT...

WHEELED WALKER

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

Wheeled Walker with a Moveable Seat

Wheeled Walker Wheel Direction Lock Apparatus and Method

Wheeled Walker with a Movable Seat

WHEELED WALKER

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

ADJUSTABLE WHEEL SUSPENSION ASSEMBLY FOR A WHEELED WALKER

COLLAPSIBLE UPRIGHT WHEELED WALKER APPARATUS

CASE FOR HOUSING AND PROTECTING AN ELECTRONIC DEVICE

CASE FOR HOUSING AND PROTECTING AN ELECTRONIC DEVICE

Ink level and negative pressure control in an ink jet

Ink delivery system apparatus and method

Ink delivery system including a pulsation dampener

Liquid level detection method and apparatus

Ink jet print system including print cartridge

REPLACEABLE INK JET PRINT HEAD CARTRIDGE ASSEMBLY WITH REDUCED INTE...

Replaceable ink jet print head cartridge assembly with installation...

Replaceable ink jet supply with anti-siphon back pressure control

Ink level and negative pressure control in an ink jet printer

Ink jet printhead quality management system and method

Nozzle cross talk reduction in an ink jet printer