SO

Seiro Oshima

Pioneer: 3 patents #24 of 437Top 6%
📍 Showa, JP: #1 of 10 inventorsTop 10%
Overall (2004): #20,851 of 270,089Top 8%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6813237 Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method Atsushi Yamaguchi, Masahiro Kato, Eiji Muramatsu, Takao Tagiri 2004-11-02
6692809 Optical recording medium Makoto Matsukawa, Toshihiko Takishita 2004-02-17
6687214 Recording medium and apparatus and method for manufacturing the same Masahiro Kato, Eiji Muramatsu, Atsushi Yamaguchi, Shoji Taniguchi, Makoto Matsukawa +3 more 2004-02-03