NS

Nobuo Sakuma

Ricoh Company: 2 patents #102 of 695Top 15%
Overall (1997): #28,490 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5666220 Optical scanner and polygon mirror 1997-09-09
5606181 Edge emitting type light emitting diode array heads Seizo Suzuki, Hiromichi Atsuumi, Takeshi Ueda, Yasutaka Izumi 1997-02-25