90 Utility and 4 Design Patents
#335 in Kanagawa
#2,009 in Japan
#11,917 in the World
rank by utility patentsForward Citations = 236
Company Filing History:



4. 12 out of 90,014

5. 2 out of 6
Sumitomo Heavy Industries Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today