Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640729 | Method of producing ionization chamber detector | Hideji Fujii, Takayuki Hayakawa, Shigeru Sato | 1987-02-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640729 | Method of producing ionization chamber detector | Hideji Fujii, Takayuki Hayakawa, Shigeru Sato | 1987-02-03 |