Japan, May 13 -- MAINSPRING ENERGY INC has got intellectual property rights for 'CONTROL OF PISTON TRAJECTORY IN FREE PISTON COMBUSTION ENGINE.' Other related details are as follows:

Application Number: JP,2021-148502

Category (FI): F02B77/08@A,F02B75/24,F01B11/00,F01B7/04,F02B71/00,F01B23/10

Stage: Grant (IP right granted following substantive examination.)

Filing Date: Sept. 13, 2021

Publication Date: Dec. 9, 2021

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100

Disclaimer: Curated by HT Syndication....