HW

Hisao Watarai

UN Unknown: 5 patents #3,065 of 83,584Top 4%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
Overall (All Time): #3,966,538 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4636806 Recording medium Masahiro Tanaka, Shuji Masuda, Kenji Suzuki, Tsuyoshi Masumoto 1987-01-13