YF

Yojiro Fukui

SS Silver Seiko: 2 patents #9 of 49Top 20%
📍 Kodaira, JP: #559 of 1,073 inventorsTop 55%
Overall (All Time): #2,327,701 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4830525 Typewriter with pivoting keyboard Yoshimitsu Nagashima, Yoshimi Takahashi 1989-05-16
D299248 Typewriter Taro Kasagi, Kenji Tamada 1989-01-03