There are no major Bay Area tech IPOs this week but an Oakland cosmetics company and Sunnyvale private cellular network startup are among nine offerings scheduled this week in the United States. That's the most IPOs planned for one week all year, according to Renaissance Capital. There have been only five major IPOs in the Bay Area this year, which is on pace to be the lowest number in more than 10 years unless there is an uptick over the next four months. Both Bay Area companies are expected to…