YN

Yoko Nambu

AK Asahi Denka Kogyo K.K.: 3 patents #18 of 162Top 15%
AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%
Overall (All Time): #1,297,151 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5264572 Catalyst for isocyanate trimerization Takeshi Endo 1993-11-23
5142050 Aromatic isocyanurate compound Takeshi Endo 1992-08-25
5017684 Method of polymerizing epoxy compound Takeshi Endo, Keiji Abe 1991-05-21
4841058 Viologen derivative Takeshi Endo, Kazutoshi Yamamoto 1989-06-20