MK

Mikio Koyama

KC Konishiroku Photo Industry Co.: 17 patents #22 of 894Top 3%
KM Konica Minolta: 11 patents #154 of 1,361Top 15%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
KO Konica: 8 patents #304 of 1,958Top 20%
AT AT&T: 2 patents #7,280 of 18,772Top 40%
CP Chugai Pharmaceutical: 2 patents #485 of 1,238Top 40%
KC Konishiroku Photo Ind. Co.: 1 patents #9 of 38Top 25%
HE Hitachi-Ge Nuclear Energy: 1 patents #139 of 313Top 45%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #51,171 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
4234671 Color diffusion transfer dye mordant Hideaki Iwama, Masao Asano, Yasuo Tsuda 1980-11-18
4193800 Photographic dye mordant Hideaki Iwama, Yasuo Tsuda, Masao Asano 1980-03-18