Chun-Hsien Liu

Follow

Person

KYOTO, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Dust collector, vacuum cleaner, and self-propelled vacuum cleaner
- Patent number 11,641,992
- Issue date May 9, 2023
- Nidec Corporation
- Chun-Hsien Liu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Dust collector, vacuum cleaner, and self-propelled vacuum cleaner
- Patent number 11,445,877
- Issue date Sep 20, 2022
- Nidec Corporation
- Chun-Hsien Liu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Wheel driving device and cleaner robot having the same
- Patent number 10,548,445
- Issue date Feb 4, 2020
- Nidec Corporation
- Chun-Hsien Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Suction unit
- Patent number 10,314,446
- Issue date Jun 11, 2019
- Nidec Corporation
- Chun-Hsien Liu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
DUST COLLECTOR, VACUUM CLEANER, AND SELF-PROPELLED VACUUM CLEANER
- Publication number 20200390306
- Publication date Dec 17, 2020
- NIDEC CORPORATION
- Chun-Hsien LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
DUST COLLECTOR, VACUUM CLEANER, AND SELF-PROPELLED VACUUM CLEANER
- Publication number 20200390303
- Publication date Dec 17, 2020
- NIDEC CORPORATION
- Chun-Hsien LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SUCTION UNIT
- Publication number 20170325643
- Publication date Nov 16, 2017
- NIDEC CORPORATION
- Chun-Hsien LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SUCTION NOZZLE AND ELECTRIC VACUUM CLEANER INCLUDING THE SAME
- Publication number 20170325645
- Publication date Nov 16, 2017
- NIDEC CORPORATION
- Chun-Hsien LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
WHEEL DRIVING DEVICE AND CLEANER ROBOT HAVING THE SAME
- Publication number 20170209015
- Publication date Jul 27, 2017
- NIDEC CORPORATION
- Chun-Hsien Liu
- B60 - VEHICLES IN GENERAL