MT

Masanobu Takeguchi

MC Marui Industry Co.: 3 patents #2 of 12Top 20%
Overall (All Time): #1,683,328 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4390432 Method of purifying water in fish keeping water tank Isao Oyobe 1983-06-28
4320085 Method of inhibiting and eliminating chlorophyceae in water in tank Isao Oyobe 1982-03-16
4297222 Method of purifying water in fish keeping water tank Isao Oyobe 1981-10-27