KM

Kenji Maruhashi

NO Nippon Oil: 5 patents #134 of 773Top 20%
Overall (All Time): #1,066,049 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4436663 Process for separating porphyrins Ichiro Kojima, Yutaka Oguchi, Noboru Endoh, Tetsuo Satoh 1984-03-13
4383110 Process for purifying and separating vitamin B.sub.12 Tatsuo Kinoshita, Yutaka Oguchi, Ichiro Kojima, Noboru Endoh, Tetsuo Satoh 1983-05-10
4370415 Process for producing uroporphyrin III Ichiro Kojima, Yasuo Fujiwara 1983-01-25
4347184 Process for separating and recovering coproporphyrin and uroporphyrin from a culture broth containing them Ichiro Kojima, Yasuo Fujiwara 1982-08-31
4334021 Process for producing coproporphyrin III Ichiro Kojima, Yasuo Fujiwara 1982-06-08