SO

Seigo Okumura

MC Mitsubishi Chemical: 4 patents #68 of 716Top 10%
Overall (All Time): #1,301,440 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4921959 Anthraquinone compounds and polarizing film containing the same Konoe Miura, Tetsuo Ozawa, Shinji Kubo 1990-05-01
4840640 Polarizing film: polymer film base containing substituted anthraquinone dichroic dye Konoe Miura, Tetsuo Ozawa, Hidetoshi Urashima 1989-06-20
4841057 Cyclic imido anthraquinone compounds Konoe Miura, Tetsuo Ozawa, Shinji Kubo 1989-06-20
4782132 Process for producing a copolyester Seiichi Nozawa, Osamu Kishiro, Atsushi Kasai, Ken Honma, Chieko Muramoto 1988-11-01