Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307385 | Method of and apparatus for estimating remaining service life of material being exposed to radiant ray irradiation | Kiyotomo Nakata, Shizuo Matushita, Shigeki Kasahara, Michiyoshi Yamamoto, Hideya Anzai | 1994-04-26 |