AY

Akio Yoshikawa

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
MC Matsushit Electric Industrial Co.: 1 patents #1 of 31Top 4%
Overall (2002): #33,110 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6501156 Lead frame which includes a die pad, a support lead, and inner leads Hideyuki Nakanishi, Shin'ichi Ijima, Ryuma Hirano 2002-12-31
6501601 Optical device with diffraction grating having plural grating regions Shoichi Takasuka, Shinichi Ijima, Hideyuki Nakanishi, Naoki Nakanishi 2002-12-31
6473248 Method for manufacturing an optical pickup Hideyuki Nakanishi, Shoichi Takasuka, Shinichi Ijima, Kazutoshi Onozawa, Kazuhiko Yamanaka +1 more 2002-10-29