Statistics
Publications
2
Citations
53
H-Index
2
Active since
1985
Affiliations
Ricoh (Japan)(Current)
Masaakira Umehara is an author at Ricoh (Japan) specializing in optical data storage, thin film optical properties, and optoelectronic materials.
Publications per year
1985–1986
2
2
Organic dye materials for optical recording media
Hideaki Oba, Michiharu M. Abe, Masaakira Umehara et al. · Applied Optics · 1986 · 29 citations
Natural Sciences, Materials Engineering, Materials Science +11
1–2 of 2