SY

Seiji Yoshii

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #1,578,738 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7627876 Optical disk apparatus having a plurality of elastic bodies Isao Shimada 2009-12-01
7137128 Portable information processing apparatus including a disk drive device Isao Shimada 2006-11-14
6168330 Electronic equipment comprising thin keyboard switch Hiroyasu Okada, Takefumi Inoue, Toshifumi Hiroe 2001-01-02