TM

Takesi Matuyama

KL Koei Chemical Company, Limited: 1 patents #27 of 81Top 35%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
Overall (All Time): #2,350,643 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4627402 Method and apparatus for controlling air-fuel ratio in internal combustion engine Kimitaka Saito, Kenzi Iwamoto, Tsuneyuki Egami, Tsutomu Saito 1986-12-09
4202806 Stabilization of chlorine-containing resins Norio Yoshida 1980-05-13