Shinpei Hirano

SO Sony: 6 patents #41 of 2,482Top 2%

Overall (2004): #4,926 of 270,089Top 2%

Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
D500304	Speaker box	—	2004-12-28
D495684	Headphone	—	2004-09-07
D495685	Headphone	—	2004-09-07
D491550	Disc player	—	2004-06-15
D488796	Disc player	—	2004-04-20
D488435	Rechargeable battery for optical disc player	—	2004-04-13