To search patent literature by company name, the most basic condition is to master the company name accurately, otherwise the required information cannot be found, because the company name indexes of American patents, Japanese patents and World Patent Index (WPI) are generally arranged alphabetically, such as American patents and WPI are arranged by 26 letters in English; However, the names of Japanese companies are arranged according to the katakana of Isuzu, Japan, so it is necessary to master the pronunciation of the names accurately. Here's how to find patent documents from the company name by finding Japanese patents. For example, a factory wants to know the patent literature of Japanese mitsubishi electric company (company) about electron beam welding technology, and the retrieval steps are as follows:
Step 1: The pronunciation of Mitsubishi Company is Xixi Electric Company (Zhu).
Step 2: Use
Step 3: According to the obtained WeChat official account and announcement number, you can refer to the original manual.