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Hisao Watarai — 1 Patent

UNUnknown: 5 patents #3,065 of 83,584Top 4%
RJResearch Development Corporation Of Japan: 1 patents #170 of 402Top 45%
Rifu, JP: #1,311 of 2,101 inventorsTop 65%
Overall (All Time): #3,966,538 of 4,157,543Top 100%
1 Patents All Time

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

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