KH

Koji Hirai

KC Kuraray Co.: 3 patents #5 of 137Top 4%
📍 Yokohama, JP: #32 of 176 inventorsTop 20%
Overall (1994): #11,210 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5310827 Polyamide copolymers Yukiatsu Komiya, Masao Ishida, Setuo Yamashita, Shinji Komori, Takuji Okaya 1994-05-10
5310852 Elastic polyurethane fiber Michihiro Ishiguro, Tatuya Oshita, Setuo Yamashita, Katsura Maeda, Yukiatsu Komiya 1994-05-10
5290905 Polyurethane, elastic polyurethane fiber and polyesterpolycarbonatediol used for the same Yukiatsu Komiya, Setuo Yamashita 1994-03-01