YS

Yoichi Shirakawa

AK Asahi Denka Kogyo: 3 patents #18 of 196Top 10%
AK Asahi Denka Kogyo K.K.: 1 patents #47 of 162Top 30%
EI Eisai: 1 patents #611 of 998Top 65%
NE Nec: 1 patents #7,889 of 14,502Top 55%
SC Secom Co.: 1 patents #6 of 47Top 15%
Overall (All Time): #877,225 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6901172 Method and apparatus for drawing likeness 2005-05-31
4976973 Process for producing protein-rich fish meal and fish oil Yoshio Minowa, Takayoshi Azumi, Junichi Hisano 1990-12-11
4863746 Proteinous material Yasuzo Uchida 1989-09-05
4861602 Process for treating fish bodies Yasuzo Uchida 1989-08-29
4568667 Aqueous preparation containing vitamin E and saponins Makoto Itoh, Keigi Koyama, Yoshio Minowa 1986-02-04
4459213 Fire-extinguisher composition Yasuzo Uchida, Sadayuki Kawai, Koichi Sugita, Hitoshi Nagasaki 1984-07-10