RK

Ryuichi Kawakami

SO Sony: 3 patents #10,744 of 25,231Top 45%
SI Sintokogio: 1 patents #245 of 455Top 55%
Overall (All Time): #1,160,637 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11158041 Inspection device and casting system Kazuhiro Ota, Tsutomu Seki, Yoshimitsu ICHINO, Junichi Iwasaki, Takeshi Sonohara +1 more 2021-10-26
5138435 CRT-matrix display with indexing and stair step vertical deflection waveform. Satoshi Shimada, Koji Kanbayashi, Takehisa Natori 1992-08-11
5057739 Matrix array of cathode ray tubes display device Satoshi Shimada, Takehisa Natori, Koji Kanbayashi 1991-10-15
4318181 Timer display apparatus Kenichi Nakazawa 1982-03-02