| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Finland | 1 | |
| #8 | Hungary | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Norway | 1 | |
| #11 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hauser Walter A | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CN1060165A | Methods and devices for performing arithmetic operations in manner and with function of electronic calculating machine | |
| AU6157490A | Processes and devices for scanning written information by means of an optical reading arrangement | |
| HU902808D0 | Method and devices for carrying out arithmetic operations on the basis of computer principle and using computer | |
| BR9005964A | Processes and devices for performing arithmetic operations in compliance and with the function of an electronic calculating machine |