YU

Yozaburo Umehara

📍 Nerima, JP: #31 of 118 inventorsTop 30%
Overall (All Time): #1,681,078 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4489447 Toilet bowl — 1984-12-25
4437222 Method of manufacturing tape guides for recording and/or reproducing apparatus — 1984-03-20
4429823 Tape guide means for recording and/or reproducing apparatus and method of manufacturing the same — 1984-02-07