YM

Yutaka Matayoshi

Nissan Motor Co.: 3 patents #19 of 487Top 4%
Overall (1989): #5,829 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4881497 Valve operating system for internal combustion engine Shigeru Kamegaya 1989-11-21
4873953 Induction port arrangement for internal combustion engine having multiple inlet valves per combustion chamber Shigeo Muranaka, Kouzaburou Ohkawa, Junichi Yokoyama, Shigeru Kamegaya 1989-10-17
4825822 Rocker arm arrangement for multi-valve internal combustion engine Shigeo Muranaka, Shigeru Kamegaya, Tooru Yoshimura 1989-05-02