Michiko Johnson

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid ejection head and method of testing for leaks in liquid supp...
- Patent number 11,938,721
- Issue date Mar 26, 2024
- Canon Kabushiki Kaisha
- Michiko Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head, method of operating liquid ejecting head, and...
- Patent number 11,787,176
- Issue date Oct 17, 2023
- Canon Kabushiki Kaisha
- Michiko Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head, and liquid ejection device
- Patent number 11,691,424
- Issue date Jul 4, 2023
- Canon Kabushiki Kaisha
- Takayuki Kamimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF INSPECTING THE LIQUID EJECTION HEAD
- Publication number 20240116292
- Publication date Apr 11, 2024
- Canon Kabushiki Kaisha
- Michiko Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF TESTING FOR LEAKS IN LIQUID SUPP...
- Publication number 20220348004
- Publication date Nov 3, 2022
- Canon Kabushiki Kaisha
- Michiko Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD, METHOD OF OPERATING LIQUID EJECTING HEAD, AND...
- Publication number 20220169024
- Publication date Jun 2, 2022
- Canon Kabushiki Kaisha
- Michiko Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD, AND LIQUID EJECTION DEVICE
- Publication number 20220134755
- Publication date May 5, 2022
- Canon Kabushiki Kaisha
- Takayuki Kamimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS