WS

Wataru Sagawa

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Setsubi Engineering Co.: 3 patents #5 of 24Top 25%
ML Mitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
Overall (All Time): #911,943 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12325255 Writing instrument Toshimi Kamitani, Chihiro Mochizuki 2025-06-10
7030396 Medical particle irradiation apparatus Yutaka Muramatsu, Hidehito Asano, Hiroshi Akiyama, Tsutomu Yamashita 2006-04-18
6903356 Medical particle irradiation apparatus Yutaka Muramatsu, Hidehito Asano, Hiroshi Akiyama, Tsutomu Yamashita 2005-06-07
6803591 Medical particle irradiation apparatus Yutaka Muramatsu, Hidehito Asano, Hiroshi Akiyama, Tsutomu Yamashita 2004-10-12
4505763 Heat-treating method of weld portion of piping system and heating coil for the heat treatment Isao Sugihara, Tsukasa Ikegami, Tasuku Shimizu 1985-03-19