KK

Kunio Kitagawa

NE Nec: 3 patents #4,195 of 14,502Top 30%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
HC Hakusan Seisakusho Co.: 1 patents #8 of 14Top 60%
RI Railway Technical Research Institute: 1 patents #70 of 233Top 35%
Overall (All Time): #1,062,044 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4919614 Apparatus for heat treatment of a substrate Akira Maeda, Yoshio Matsumura 1990-04-24
4762263 Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal Hirotsugu Oishibashi, Muneyuki Ohara, Kenzo Hagiwara, Hisashi Yoshida, Kimio Shimizu 1988-08-09
4675568 Mechanical amplification mechanism for electromechanical transducer Tadao Uchikawa 1987-06-23
4613241 Printing mechanism for dot matrix printers 1986-09-23
4547086 Piezoelectrically driven printing mechanism for dot matrix printers Michio Matsumoto 1985-10-15