HS

Hiroshi Sakairi

HI Hitachi: 3 patents #420 of 3,950Top 15%
HC Hitachi Keiyo Engineering Co.: 3 patents #1 of 32Top 4%
📍 Tsukuba, JP: #18 of 299 inventorsTop 7%
Overall (2002): #28,663 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6413090 VR motion base control apparatus and it's supporting structure Tsukasa Shiina, Minoru Katoh, Masayuki Oshiro, Takayuki Kamiya, Masami Otomo +1 more 2002-07-02
6409509 VR motion base control apparatus and it's supporting structure Tsukasa Shiina, Minoru Katoh, Masayuki Oshiro, Takayuki Kamiya, Masami Otomo +1 more 2002-06-25
6336811 VR motion base control apparatus and it's supporting structure Tsukasa Shiina, Minoru Katoh, Masayuki Oshiro, Takayuki Kamiya, Masami Otomo +1 more 2002-01-08