HY

Hayami Yuasa

NI Nitta: 2 patents #54 of 237Top 25%
Overall (All Time): #2,323,693 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4924417 Environmental abnormality alarm apparatus — 1990-05-08
4524351 Smoke detector Tetsuo Kimura, Hirofumi Fujii, Tatuo Yonezawa 1985-06-18