SK

Seiya Katou

HC Hitachi Construction Machinery Co.: 4 patents #303 of 1,234Top 25%
Overall (All Time): #1,154,168 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11199856 Safe operation assistance device, fleet management terminal, and safe operation assistance system Takeshi Ito, Hiroshi Watanabe 2021-12-14
10967789 Safe driving assistance device Hiroshi Watanabe, Takeshi Ito 2021-04-06
10796577 Safe operation assistance system and vehicle collision prevention method Hiroshi Watanabe, Takeshi Ito 2020-10-06
10640108 On-board terminal device and vehicle collision prevention method Akiyoshi KIRIMURA, Takeshi Ito 2020-05-05