KF

Katsuramaru Fujita

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
Overall (All Time): #1,673,683 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4779954 Plastic optical fiber resistant to heat and humidity Yoshiharu Tatsukami, Motonobu Furuta, Toshifumi Tamura 1988-10-25
4768860 Plastic optical cable Yoshiharu Tatsukami, Motonobu Furuta, Yoshitaka Ohbe 1988-09-06
4758067 Plastic optical fiber Yoshiharu Tatsukami, Motonobu Furuta, Toshifumi Tamura 1988-07-19