YO

Yasumasa Ooki

NC Nitto Kohki Co.: 2 patents #4 of 24Top 20%
Overall (1989): #12,665 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4854787 Boring device Osamu Asano, Toshio Mikiya 1989-08-08
4820088 Boring device Osamu Asano, Toshio Mikiya 1989-04-11