Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189172 | Piperdine derivatives | Mitsumasa Kaitoh, Akiyoshi Ohnishi | 1993-02-23 |
| 4638646 | Heat storing apparatus | Yasuo Koseki, Akira Yamada, Harumi Matsuzaki, Katsuya Ebara, Sankichi Takahashi | 1987-01-27 |