TK

Tsutomu Katsumata

AC Asahi Kasei Kogyo Co.: 9 patents #37 of 1,395Top 3%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
TK Toshiba Tec Kabushiki Kaisha: 7 patents #421 of 1,664Top 30%
SC Simotec Co.: 5 patents #1 of 23Top 5%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
OM Omron: 1 patents #1,808 of 3,089Top 60%
Canon: 1 patents #14,899 of 19,416Top 80%
AC Asahi Kasei Chemicals: 1 patents #262 of 543Top 50%
Overall (All Time): #143,986 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4443556 Catalyst composition Kunitoshi Aoki, Makoto Honda, Tetsuro Dozono 1984-04-17
4228098 Process for the preparation of acrylonitrile Kunitoshi Aoki, Makoto Honda, Tetsuro Dozono 1980-10-14