Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040581 | Gamma-ray compensated neutron ionization chamber | Toyokazu Gotou | 2000-03-21 |
| 4682036 | Gamma ray compensation-type neutron ionization chamber | Naoaki Wakayama, Hideshi Yamagishi, Toshimasa Tomoda | 1987-07-21 |
| 4587429 | Methods of improving radiation resistant characteristic of BF.sub.3 proportional counters | Toshimasa Tomoda, Shinichi Yamashita | 1986-05-06 |
| 4302696 | Gamma-ray compensated ionization chamber | Naoaki Wakayama, Toshimasa Tomoda | 1981-11-24 |