MH

Mamoru Hiraishi

Overall (All Time): #2,345,715 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4712279 Clasp for personal ornaments 1987-12-15
4276632 Hatch locking mechanism for the battery compartment of a wristwatch 1981-06-30