Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372933 | Radioactive-material container, metal gasket for sealing the radioactive-material container, and method of manufacturing the metal gasket | Katsunari Ohsono, Takeshi Yokoyama, Tadashi Kimura, Yasuhiro Sakaguchi, Shinji Ookame +1 more | 2008-05-13 |
| 6538259 | Storage container, storage container refilling system, and refilling method | Kenichi Matsunaga, Ganji Abe, Kazuo Murakami, Tadashi Shiraishi, Shigeru Kunishima | 2003-03-25 |
| 4907257 | Public telephone set | Hiroyuki Asano | 1990-03-06 |
| 4819261 | Public telephone set | Yoshiaki Takeda, Shigehiro Eda | 1989-04-04 |