YA

Yuuichi Arai

CO Combi: 1 patents #12 of 20Top 60%
Overall (1989): #39,894 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4828278 Self-supporting/maintaining mechanism of baby carriage Nakao Shinroku, Takashi Ishikura 1989-05-09