Sumio Ohta

Ngk Spark Plug Co.: 1 patents #45 of 169Top 30%

📍 Ube, JP: #1 of 1 inventorsTop 100%

Overall (2004): #108,329 of 270,089Top 45%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6689641	Wiring board and method of producing wiring board	Yasuo Doi	2004-02-10