AAC Microtech (Changzhou) Co., Ltd. Patent Application Trends in 2025

AAC Microtech (Changzhou) Co., Ltd. Patent Filing Activity

AAC Microtech (Changzhou) Co., Ltd. patent applications in 2025

Top 10 Technology Areas

H02K33/18 (with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets)
- Count: 3 patents
- Example: 20250079961. LINEAR MOTOR (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/025 ({Magnetic circuit})
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/06 (Loudspeakers)
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R2400/11 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general)
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H01F7/20 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250095898. VOICE COIL AND VOICE COIL MOLDING ASSEMBLY (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/046 ({Construction})
- Count: 1 patents
- Example: 20250095898. VOICE COIL AND VOICE COIL MOLDING ASSEMBLY (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/045 ({Mounting ()
- Count: 1 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R1/025 ({Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture})
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R7/04 (Plane diaphragms)
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R7/18 (at the periphery)
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)

Emerging Technology Areas

H04R7/18 (at the periphery)
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R7/04 (Plane diaphragms)
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R1/025 ({Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture})
- Count: 1 patents
- Example: 20250106564. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/045 ({Mounting ()
- Count: 1 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/046 ({Construction})
- Count: 1 patents
- Example: 20250095898. VOICE COIL AND VOICE COIL MOLDING ASSEMBLY (AAC Microtech (Changzhou) Co., Ltd.)
H01F7/20 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250095898. VOICE COIL AND VOICE COIL MOLDING ASSEMBLY (AAC Microtech (Changzhou) Co., Ltd.)
H04R2400/11 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general)
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/06 (Loudspeakers)
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H04R9/025 ({Magnetic circuit})
- Count: 2 patents
- Example: 20250106563. SPEAKER (AAC Microtech (Changzhou) Co., Ltd.)
H02K33/18 (with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets)
- Count: 3 patents
- Example: 20250079961. LINEAR MOTOR (AAC Microtech (Changzhou) Co., Ltd.)

Top Inventors

Weibo Chen (3 patents)
Xiaorong Zhou (3 patents)
Ziyang Zhang (3 patents)
Keyang Wang (3 patents)
Ke Li (2 patents)
Zhaoyu Yin (2 patents)
Zhichen Chen (1 patent)
Liang Chen (1 patent)
Yuemei Gu (1 patent)
Xuelei Cai (1 patent)

Patent Categories

Geographical Distribution of Inventors

Geographical Distribution of US Inventors

AAC Microtech (Changzhou) Co., Ltd. Inventor States 2025 - Up to March 2025