Inventor
SEKIYA TAKUMA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYA TAKUMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KK RIKEN
6 patentsUS10006547B2Jun 26, 2018
Piston ring and its production method
KK RIKEN2 citations68
US10006546B2Jun 26, 2018
Piston ring
KK RIKEN4 citations68
US11168790B2Nov 9, 2021
Sliding member and piston ring
KK RIKEN4 citations67
US10670147B2Jun 2, 2020
Sliding member and piston ring
KK RIKEN1 citations56
US10100929B2Oct 16, 2018
Piston ring
KK RIKEN1 citations50
US10352446B2Jul 16, 2019
Combined oil control ring
KK RIKEN0 citations49