OK

Osamu Kawakami

DC Dainichiseika Color & Chemicals Mfg. Co.: 6 patents #43 of 376Top 15%
UC Ukima Chemicals & Color Mfg. Co.: 6 patents #5 of 6Top 85%
ZE Zeon: 5 patents #139 of 734Top 20%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
NC Nikku Industry Co.: 4 patents #1 of 5Top 20%
SC Sanyo Denki Co.: 3 patents #66 of 221Top 30%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
SC Senju Metal Industry Co.: 2 patents #126 of 349Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
📍 Tokyo, TX: #27 of 78 inventorsTop 35%
Overall (All Time): #142,049 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4893483 Heat treatment apparatus for bobbins of yarn Takuya Kawasaki 1990-01-16
4687927 Pressure measuring system Katsuharu Iwamoto, Hideo Miyagawa, Ikuo Tashiro, Takiji Ishimura 1987-08-18