HO

Hiizu Okubo

Ricoh Company: 2 patents #69 of 604Top 15%
Overall (1994): #31,753 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5291453 Serial memory apparatus having units for presetting reading bit lines to a given voltage Hideyuki Aota 1994-03-01
5285069 Array of field effect transistors of different threshold voltages in same semiconductor integrated circuit Mitsuo Kaibara, Takako Maruyama, Seiji Yamanaka, Hideyuki Aota 1994-02-08