P
PatentIndex
Search
Landscape
Sign in
Assignee
MA JIA
CN
2 patents
Top patents
by PatentIndex Score
US8205945B2
Jun 26, 2012
Rotary mechanism of rotary seats
MA JIA
8 citations
78
US9284200B2
Mar 15, 2016
Thermally treated expanded perlite
MA JIA
2 citations
57