Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052429 | X-ray analyzing apparatus | Yukio Hashizume, Masahiko Kuwata, Toshiyoshi Watanabe, Hiroshi Ohkubo | 2000-04-18 |
| 5598451 | Apparatus for measuring the sulfur component contained in oil | Yukio Hashizume, Kazuo Husimi, Masahiko Kuwata | 1997-01-28 |