HH

Hiroshi Hattori

Brother Kogyo: 2 patents #35 of 215Top 20%
Pioneer Electronic: 1 patents #88 of 240Top 40%
📍 Osaka, MI: #2 of 5 inventorsTop 40%
Overall (1989): #10,232 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4849709 Variable frequency characteristic circuit for a vehicular sound device Akira Kanagawa 1989-07-18
4810121 Character erasable printing apparatus Hideo Uneo, Shigeto Yamada 1989-03-07
4804284 Relocating control system for a printing apparatus Satoshi Shibata 1989-02-14