MA

Michiharu Abe

Ricoh Company: 1 patents #267 of 684Top 40%
Overall (2003): #159,428 of 273,478Top 60%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6548137 Phase-change optical recording medium and recording method and apparatus for the same Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki, Nobuaki Onagi +2 more 2003-04-15