IY

Isao Yamamoto

Rohm Co.: 2 patents #20 of 129Top 20%
Overall (2005): #52,468 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6967469 Battery charging method, battery charging circuit, and portable electronic device having a battery Tetsuro Hashimoto, Hiroyuki Ishikawa, Shigekane Matsui 2005-11-22
6949892 Light emitting element drive device and electronic device light emitting element Sachito Horiuchi, Noboru Kagemoto 2005-09-27