KN

Keiichiroh Nakatsukasa

📍 Tochigi, JP: #1,324 of 2,789 inventorsTop 50%
Overall (All Time): #2,316,931 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5020771 Proportional control valve Kenmei Kuneguchi 1991-06-04
4966194 Four-way switching valve device Takao Matsumoto 1990-10-30