Akira Iwamura

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%

Overall (2002): #74,832 of 266,432Top 30%

Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6440180	Enclosed storage battery and its manufacturing method	—	2002-08-27
6400122	Battery holding device	—	2002-06-04