AO

Ayato OIKAWA

NC Nippon Piston Ring Co.: 1 patents #1 of 15Top 7%
📍 Tochigi, JP: #133 of 383 inventorsTop 35%
Overall (2023): #510,295 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11549408 Iron-based sintered alloy valve seat for internal combustion engine Kiyoshi Suwa, Katsuaki Ogawa, Hiroshi Oshige, Kenichi Sato 2023-01-10