KH

Kosai Hiratsuka

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
EC Electric Power Development Co.: 1 patents #44 of 132Top 35%
Overall (All Time): #1,673,431 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4749458 Free-flow electrophoretic separation method and apparatus therefor Katsumi Muroi, Shoji Yoshinaga, Toji Nakatsui, Chikao Oda, Kiyoshi Fujiwara 1988-06-07
4698142 Free-flow electrophoretic separation method and apparatus therefor Katsumi Muroi, Shoji Yoshinaga, Toji Nakatsui, Chikao Oda, Kiyoshi Fujiwara 1987-10-06
4492638 Method for agglomerating coal particles in pulp water Yoichi Nakamura, Morihisa Maruko, Yoshio Matsuura, Michio Kurihara 1985-01-08