Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7352845 | Energy dispersion type X-ray diffraction/spectral device | — | 2008-04-01 |
| 4823368 | Open counter for low energy electron detection with suppressed background noise | Yukio Tomioka, Chikara Kouno, Hiroshi Ishida, Yukio Yamauchi | 1989-04-18 |
| 4740730 | Apparatus for detecting low-speed electrons | Yoshinori Shirahashi | 1988-04-26 |
| 4266158 | Cathode ray tube socket with a spark gap | Yoshiichi Hayakawa | 1981-05-05 |