Inventor
Hairong Wang
Inventor
Weifang, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers29%
B29CShaping or joining of plastics12%
G10KSound-producing devices12%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%
B29BPreparation or pretreatment of the material to be shaped6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C08JWorking-up6%
PatentTitleYear
11,001,689Method of preparation of cardo polyetherketone (PEK-C) structural foam material202110,553,191Sound generating apparatus, electric device and method for manufacturing the same202010,291,991Electrical-acoustic transformation device and electronic device201910,225,664Electrical-acoustic transformation device201910,219,080Electrical-acoustic transformation device201910,178,477Vibrating diaphragm assembly2019Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019–2020Patents assigned to GOERTEK INC (5)· patent assignee history
2019–2020Based in Weifang, CN· patent location history
2019Based in Shandong, CN· patent location history
2021Patents assigned to CHANG CHUN INST OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES (1)· patent assignee history
2021Patents assigned to JIANGSU SINC TECH POLYMERIZATION NEW MATERIALS INDUSTRY TECH RESEARCH INSTITUTE (1)· patent assignee history
2021Patents assigned to JIANGSU SINO TECH POLYMERIZATION NEW MATERIALS INDUSTRY TECH RESEARCH INSTITUTE (1)· patent assignee history
2021Based in Changchun, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOERTEK INC | 5 | 2019–2020 |
| CHANG CHUN INST OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES | 1 | 2021 |
| JIANGSU SINC TECH POLYMERIZATION NEW MATERIALS INDUSTRY TECH RESEARCH INSTITUTE | 1 | 2021 |
| JIANGSU SINO TECH POLYMERIZATION NEW MATERIALS INDUSTRY TECH RESEARCH INSTITUTE | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weifang, CN | 4 | 2019–2020 |
| Changchun, CN | 1 | 2021 |
| Shandong, CN | 1 | 2019 |