Inventor

Chih-Chen Chang

Inventor

Hsinchu, TW

Overview

39→

Patents

1997–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC26primary

LOC2617%

F21SNon-portable lighting devices9%

F21VFunctional features or details of lighting devices or systems thereof8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

H01LSemiconductor devices4%

H05BElectric heating4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

C01BNon-metallic elements3%

G02BOptical elements, systems or apparatus3%

G09FDisplaying3%

PatentTitleYear

11,043,396Chemical mechanical polish slurry and method of manufacture2021 10,692,742Operating method of microwave heating device and microwave annealing process using the same2020 10,555,384Modular microwave power supply2020 10,231,293Multi-mode microwave heating device2019 9,962,711Electrostatic air cleaner2018 9,850,134Graphene flower and method for manufacturing the same and composite material2017 8,859,044'Method of preparing graphene layer'2014 8,808,492'Method of joining superconductor materials'2014 8,776,720'Linear-type microwave-excited plasma source using a slotted rectangular waveguide as the plasma exciter'2014 8,603,402'Microwave-excited plasma device'2013 7,589,675'Broadband antenna'2009 7,573,425'Antenna for radio frequency identification RFID tags'2009 7,337,820'Barrier film encapsulating apparatus for insulating pipe'2008 7,280,043'Apparatus for impeding counterfeiting, impeding stealing and managing optical disk stock'2007 7,220,178'Receiving slot frame with fan'2007 6,824,293'Decoration lamp holder'2004 6,707,349'Directional coupler for microwave cavities'2004 D0457648'Spider shape decoration lamp'2002 D0453384'String lamp'2002 D0452921'String lamp'2002 D0452745'String lamp'2002 6,318,882'Formative lamp with the edge-lighting'2001 D0450866'String lamp'2001 D0450398'String lamp'2001 D0450400'String lamp'2001 D0450397'String lamp'2001 D0450396'String lamp'2001 D0450399'String lamp'2001 D0446322'Chain shape lamp'2001 6,213,048'Electrolier flag'2001 D0439685'Netted decoration lamp'2001 6,196,701'Chain shaped lamp'2001 6,192,824'Electrolier flag'2001 D0437949'Decoration lamp'2001 6,139,167'Steric retiform lamp'2000 6,030,670'Decorating tree with embellishing lamp'2000 5,941,628'Lamp-holder for decorative network type light'1999 5,820,243'Air suspended luminary'1998 5,678,574'Cigarette punching device'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Based in Jhubei City, TW· patent location history

1999–2008Based in Hsinchu, TW· patent location history

2001–2014Patents assigned to CHANG CHIH-CHEN (5)· patent assignee history

2004–2020Patents assigned to IND TECH RES INST (14)· patent assignee history

2007Patents assigned to ALPHA NETWORKS INC (1)· patent assignee history

2009–2018Based in Banciao, TW· patent location history

2009–2014Based in Taipei, TW· patent location history

2013–2014Patents assigned to HSIEH YU-TSE (3)· patent assignee history

2013–2014Patents assigned to Huang kun-ping (3)· patent assignee history

2013–2020Based in New Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IND TECH RES INST	14	2004–2020
CHANG CHIH-CHENself	5	2001–2014
HSIEH YU-TSE	3	2013–2014
Huang kun-ping	3	2013–2014
ALPHA NETWORKS INC	1	2007

Locations

Location	Patents	Span
Hsinchu, TW	22	1999–2008
New Taipei, TW	7	2013–2020
Banciao, TW	2	2009–2018
Taipei, TW	2	2009–2014
Jhubei City, TW	2	1998–2000