YF

Yasuharu Fujiwara

HO Hochiki: 12 patents #6 of 161Top 4%
Overall (All Time): #394,317 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12379313 Fire detection device Tomohiko Shimadzu, Keisuke Washizu, Manabu Dohi, Hideki Takano 2025-08-05
12274904 Fire detection apparatus Isao Saeki, Hideki Takano 2025-04-15
12274903 Fire detection apparatus Isao Saeki, Hideki Takano 2025-04-15
D1067088 Smoke detector Isao Saeki 2025-03-18
12235206 Fire detection apparatus Hideki Takano, Isao Saeki 2025-02-25
11975228 Fire detection apparatus Isao Saeki, Hideki Takano 2024-05-07
11761890 Fire detection device Tomohiko Shimadzu, Keisuke Washizu, Manabu Dohi, Hideki Takano 2023-09-19
11614396 Fire detection device Hideki Takano, Isao Saeki 2023-03-28
D918753 Smoke detector Isao Saeki 2021-05-11
D896118 Fire detector Isao Saeki 2020-09-15
D887883 Fire detector Isao Saeki 2020-06-23
D887300 Fire detector Isao Saeki 2020-06-16