Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7888937 | Beam current sensor | Tamaki Watanabe, Takeshi Katayama, Masayuki Kase, Shin Watanabe, Takeo Kawaguchi +3 more | 2011-02-15 |
| 7435970 | Beam current meter | Tamaki Watanabe, Takeshi Katayama, Masayuki Kase, Shin Watanabe, Takeo Kawaguchi | 2008-10-14 |