HI

Hiromitsu Ishii

HO Hochiki: 3 patents #1 of 20Top 5%
Overall (1989): #10,216 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4871999 Fire alarm system, sensor and method Takashi Ono 1989-10-03
4838698 Extinction type detector Takashi Ono 1989-06-13
4796205 Fire alarm system Yukio Yamauchi 1989-01-03