YK

Yoshikazu Kawakami

EP Epson: 2 patents #14 of 66Top 25%
SS Suwa Seikosha: 2 patents #49 of 220Top 25%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
Overall (All Time): #1,664,798 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5020877 Rear projection screen Toru Yokoo, Takashi Kobane, Akihiko Seki, Yasuhiro Yamakawa 1991-06-04
D281878 Acoustically coupled modem 1985-12-24
D279781 Portable personal computer 1985-07-23