Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501321 | Level shift circuit | — | 2002-12-31 |
| 6501814 | Dry radioactive substance storage facility | Masashi Shimizu, Koichi Maki, Keiichiro Shibata, Masashi Oda, Hidetoshi Kanai | 2002-12-31 |
| 6430248 | Dry radioactive substance storage facility | Masashi Shimizu, Koichi Maki, Keiichiro Shibata, Masashi Oda, Hidetoshi Kanai | 2002-08-06 |