Instruction : 
TI: Patent Title


You can search for a single word, or more than one word.
If you type more than one word, only those documents 
will be retrieved in which all the words appear. 

Logical operators, truncations, and parentheses are allowed
to use with the search terms. 

Logical Operators: to create relationships between the words
  +: and   Ex: system+network 
  /: or    Ex: fiber/fibre 

Truncation (Wildcard characters)
  ?: for none or one character
    Ex: tie?     =>   tie
                      ties
                      tied   etc. 
  *: typed at the end of a word as a wildcard for none, 
     one or more than one character
    Ex: operat?  =>   operate
                      operator
                      operating
                      operation  etc.  

Logical operators and truncation can be used together
  Ex: operat*+system?

Instruction : 
AB: Patent Abstract 
    (Abstract is only provided for invention patents)

You can search for a single word, or more than one word.
If you type more than one word, only those documents 
will be retrieved in which all the words appear. 

Logical operators, truncations, and parentheses are allowed
to use with the search terms. 

Logical Operators: to create relationships between the words
  +: and   Ex: system+network 
  /: or    Ex: fiber/fibre 

Truncation (Wildcard characters)
  ?: for none or one character
    Ex: tie?     =>    tie
                       ties
                       tied   etc. 
  *: typed at the end of a word as a wildcard for none,
     one or more than one character
    Ex: operat?  =>    operate
                       operator
                       operating
                       operation  etc.  

Logical operators and truncation can be used together
  Ex: operat*+system?

Instruction : 
IPC: International Patent Classification 

Syntax: 
   CnnC or 
   CnnCnn or 
   CnnCnn/nn 

Ex: c08f 
   c07d471
   a61k31/395 

The classification is made up by a letter, 
denoting the IPC section, followed by a number (2 digits), 
denoting the IPC class. Optionally, the classification 
can be followed by a sequence of a letter, 
denoting the IPC subclass, a number (variable, 1-3 digits), 
denoting the IPC main group, a forward slash "/", 
a number (variable, 1-3 digits), denoting the IPC subgroup. 

Instruction : 
PD: Publication Date

Syntax: 
   YYYY (A.D. Year) or
   YYYY/MM (Year and Month) or 
   YYYY/MM/DD (Year, Month and Date)

Ex: 1998
   1998/01
   1998/01/11 

To find patent documents published on a particular year,
month or day: The complete Publication Date is made up of 
the publication year (4-digit), the publication month (2-digit) 
and the publication day (2-digit). The day of a publication date
depends on publication of the Official Gazette.
It is published three times per month, 1st, 11th, 21st. 

Instruction : 
FD: Filing Date, Application Date

Syntax: 
   YYYY (A.D. Year) or
   YYYY/MM (Year and Month) or 
   YYYY/MM/DD (Year, Month and Date)

Ex: 1996
   1996/03
   1998/03/22  

To find patent documents filed on a particular year, 
month or day: The complete Filing Date is made up of 
the filing year (4-digit), the filing month (2-digit)
and the filing day (2-digit). 

Instruction : 
PN: Patent Number

The Patent Number is the number assigned to a patent
when the patent application is published. 
The Patent Number is a serial number usually made up 
of 6 or 7 digits. All the leading zero(s) should be omitted.

Ex: 348287

Instruction : 
AN: Application Number 

The Application Number is made up of 8 (published before Year 2000) 
or 9 (published after 2000) digits.

The first two/three digits represent the year of filing in Chinese calendar year 
- Min Guo,which is the Christian Year minus 1911.
For example, No. 087109152 was filed in 1998.
The 4th digit indicates patent type - "1" for invention, "2" for utility model.
The remaining digits are serial numbers.

Ex: 85115207  (an invention patent filed in 1996)
   090214914  (a utility model filed in 2001)

Instruction : 
CN: Certificate Number

The Certificate Number is made up of two parts. 
The first part (1-digit) indicates type of a patent. 
The letter 'I' is for invention patent, and 'M' for utility patent. 
It can be omitted if the patent type is not known. 
The second part is a serial number, and all the leading zero(s) 
should be omitted.

Ex: I75722
    M107289

Instruction : 
 AU: Author or Inventor

The Author/Inventor format is made up of the Family name followed
by the Given names of the inventor(s). 
You can search for a single word, or more than one word. 
If you enter more than one word, only those documents will be 
retrieved in which all the words appear. Searching for a full name, 
type family name first, a comma and a blank should be added 
before the given name.

2-digit Country Code: Scroll down list and click on country code.

If a patent contains more than 5 authors/inventors, 
the database only provides the first five and remark a '+' at 
the end of the 5th author/inventor.

Ex: Johnson
    John, Smith

Instruction : 
 PA  :Patent Applicant

The patent applicant is the first applied patentee and can be 
either a person or a company. 
You can enter more than one word in the field, 
and the system will retrieve them as a string in the database. 

Searching for a full name of a person, type family name first, 
a comma and a blank should be added before the given name.

Ex: Mitsubishi Gas Kagaku KK
    Wacker-Chemie GmbH
    Wang, Shyh-Jen

2-digit Country Code: Scroll down list and click on country code.

Instruction : 
 AT : Individual/Company

The applicant type also can be specified by clicking 
'Individual' or 'Company' button.

Instruction : 
PR : Priority Data

Priority data indicates the country, year and application number 
of the equivalent patent application in other countries.

Syntax   : CCYYYYnnnnnnn

    CC   : Country Code
  YYYY   : A.D. Year
  nnnnnnn: A serial number indicates the patent application number
           of the country

2-digit Country Code: Scroll down list and click on country code.

If the number has less than 7 digits, 
it must be completed to 7 digits by adding leading zero(s).

Ex: JP19940015748
    US19950123456
    DE1991