YU

Yoshio Umezu

MA Marubun: 1 patents #16 of 24Top 70%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
Overall (All Time): #2,323,116 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4933695 Method of driving a motor-driven shutter for a camera Hiroaki Ishida, Shigeru Tagami, Masaki Tanaka 1990-06-12
4917557 Double-decked, automobile loading apparatus, and method of using the same Fusao Kato 1990-04-17