• TOP
  • Patent Search

WEBPAT





TW Issued
（1950年years so far）
US Issued
（1976years so far）
EP Issued
（1980年years so far）
JP Issued
（1994年years so far）
TW Application
（2003年years so far）
US Application
（2001年years so far）
EP Application
（1978年years so far）
JP Application
（1978年years so far）
CN
（2003年years so far）
PAJ
（2001年years so far）
WO
（1978年years so far）
DOCDB
（1782年years so far）




  • Boolean Search
  • Advanced Search
  • Refine Results
    • Assignee
    • Issued / Publication Date
    • International Classication
    • US Classication
    • Inventor
    • Main Examiner
  • Assisted Search
    • Applicant Assisted Search
    • Inventor Assisted Search
    • Examiner Assisted Search


  • Display Mode
    • List
    • Thumbnail
    • Table
  • Data Content
    • Fulltext
    • Patent Family
    • Citation
    • Citation Analysis of Patents in the Preceding 5 Years
    • Legal Status(ex: effectiveness, assignments, maintenance fees, etc.)
    • Claims
    • Independent(s)
    • Keyword Extraction(Available Only for U.S. Patents)
    • Miscellaneous Information(Available Only for Taiwan Patents)
  • Patent Image
    • View single patent image
    • Download single patent image
    • Batch download patent image
    • Browse Patent Gazette (PDF)(Available Only for Taiwan Patents)









  • Assignee Analysis of Patent
  • Issue Date Analysis
  • International Classification Analysis
  • US Classification Analysis
  • Inventor Analysis
  • Primary Examiner Analysis











  • Database(U.S.) Applicant Name Authority Control
    and Value Consolidation
  • Custom search condition monitoring (Regular email notice)
  • RSS Subscribe


  • Export patent information
    • Excel
    • XML
    • Access
    • PatentGuider2.0
  • Reuse Pictures and Text
  • Search History Saved
  • Marked Patent Service
  • E-mail send service
  • Print
  • User Interface