IO

Isao Oyobe

MC Marui Industry Co.: 4 patents #1 of 12Top 9%
Overall (All Time): #1,296,572 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5226993 Set of ornaments Yukio Tukakoshi, Takao Yamamoto 1993-07-13
4390432 Method of purifying water in fish keeping water tank Masanobu Takeguchi 1983-06-28
4320085 Method of inhibiting and eliminating chlorophyceae in water in tank Masanobu Takeguchi 1982-03-16
4297222 Method of purifying water in fish keeping water tank Masanobu Takeguchi 1981-10-27