KH

Koyama Hiromichi

FE Figaro Engineering: 1 patents #30 of 82Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
📍 Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #3,926,887 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4827154 Control system for air cleaner Oie Naoyuki, Tanaka Katsuyuki, Matsumoto Shinichi 1989-05-02