TM

Tooru Matsuura

Ngk Spark Plug Co.: 3 patents #8 of 96Top 9%
Overall (1989): #6,560 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4887568 Ceramic insert for defining precombustion chamber in cylinder head Masato Taniguchi 1989-12-19
4881498 Rocker arm made of ceramics Yoshinori Narita 1989-11-21
4796576 Adjustment mechanism for ceramic rocker arm Noboru Ishida, Mitsuyoshi Kawamura 1989-01-10