KF

Koichi Fujii

Ricoh Company: 2 patents #35 of 489Top 8%
Overall (1989): #21,963 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4857773 Programming logic device with test-signal enabled output Akira Takata 1989-08-15
4855803 Selectively definable semiconductor device Hideo Azumai, Takashi Seigenji, Keiichi Yoshioka 1989-08-08