YH

Yoshitaka Hayashi

Ricoh Company: 1 patents #267 of 684Top 40%
📍 Amuru, UG: #13 of 52 inventorsTop 25%
Overall (2003): #87,327 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6503592 Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium Katsuyuki Yamada, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama +2 more 2003-01-07