YI

Yasumasa Ikumi

NS Nippon Soken: 1 patents #14 of 54Top 30%
📍 Toyota, JP: #29 of 72 inventorsTop 45%
Overall (1994): #50,136 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5289803 Cooling system for a water cooled internal combustion engine Ryuichi Matsushiro, Toru Kosuda, Sigeo Sasao, Hiroyuki Fukunaga 1994-03-01