MH

Masayasu Hata

OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
Overall (All Time): #2,264,448 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5811974 Tectonic activity monitoring equipment — 1998-09-22
4186344 Frequency converter Michio Higuchi 1980-01-29