SH

Seiji Hamanaka

DC Dai Nippon Toryo Co.: 3 patents #23 of 196Top 15%
📍 Tochigi, JP: #1,056 of 2,789 inventorsTop 40%
Overall (All Time): #1,398,109 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11732148 Ink composition 2023-08-22
10023754 Metallic ink composition for inkjet printing for polyvinyl chloride substrate Keita AOKI, Hiroki Hayashi, Akira Iwasawa 2018-07-17
8940823 Water-based coating composition Akira Iwasawa, Takeshi Fujimoto, Yasuhiro Kawai 2015-01-27