RM

Ryoji Matsui

JS Jfe Steel: 2 patents #70 of 322Top 25%
SI Sumitomo Rubber Industries: 1 patents #52 of 168Top 35%
Overall (2025): #48,461 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12410497 Electric-resistance-welded steel pipe or tube for hollow stabilizer Masatoshi Aratani, Kazutoshi Ishikawa, Tomonori Kondou 2025-09-09
12398217 Rubber composition and pneumatic tire Rie Yasuda 2025-08-26
12264388 Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same Masatoshi Aratani, Tomonori Kondou 2025-04-01