SF

Shigeru Furumiya

Sumitomo Electric Industries: 5 patents #22 of 2,038Top 2%
Overall (1997): #3,421 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5675694 Video disk, recording apparatus of video disk, and its reproducing apparatus Takeshi Nakajima, Takashi Inoue, Yoshinari Takemura 1997-10-07
5671209 Focusing time period and power control of a multilaser diode array Yuichi Kamioka, Kenji Koishi, Daisuke Ogata 1997-09-23
5646930 Recording method and disk including initialization of recording tracks to amorphous phase with a constant power laser power beam 1997-07-08
5636194 Method of recording and reproducing data on a disk Takeshi Nakajima, Yoshinari Takemura 1997-06-03
5602813 Disk, disk recording apparatus and disk reproducing apparatus 1997-02-11