YH

Yoshikazu Hirayama

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #48,919 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5311173 Navigation system and method using map data Fuminobu Komura, Koichi Homma, Makoto Kato, Takanori Shibata, Yoji Matsuoka +2 more 1994-05-10