HO

Hiroko Okura

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,485,931 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6770346 Optical recording medium and recording method Makoto Harigaya, Hiroshi Miura, Miku Mizutani, Eiko Hibino, Hajime Yuzurihara +4 more 2004-08-03