I apologize, but your request "japanese grills 20" is a bit unclear. Could you please provide more context or details about what you're looking for? Here are a few possibilities:

1. If you're asking about Japanese-style grills: These are often called "shichirin" or "kamado" stoves.

2. If you're referring to a specific brand or model: There are several popular Japanese grill brands like Yakiniku LooK or Salamander.

3. If this is related to an event in 2020: Perhaps you're asking about Japanese grilling events that occurred in 2020?

4. If it's about a count: You might be asking about the top 20 Japanese grills or grill-related items.

Please provide more information so I can give you a more accurate and helpful response.