AI

Atsufumi Ishizuka

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,273,523 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5673152 Optical pickup comprising a heat-insulating material Yasuo Yokota, Yukihiro Iwata, Hirotsugu Fusayasu, Hiroto Inoue, Yukihiro Okada 1997-09-30
5373496 Objective lens actuator having rodlike elastic members supporting U-shaped lens holder Hironori Tomita, Tohru Nakamura 1994-12-13