Setsuo Ohba

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

Overall (All Time): #2,165,867 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7006414	Optical disk device	—	2006-02-28
6172951	CD encode device for optical disk drive	—	2001-01-09