Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D506256 | Adapter for transfer of medical solution | Masafumi Aramata, Makoto Iwaike, Hidetoshi Tanaka | 2005-06-14 |
| 6551299 | Adapter for mixing and injection of preparations | Takashi Nakagawa | 2003-04-22 |
| 5017445 | Dry cell | Ryohei Ashihara, Kikumitsu Suehiro, Kazuo Sugino, Masatsugu Eri | 1991-05-21 |
| 4927719 | Dry cell | Ryohei Ashihara, Kikumitsu Suehiro, Kazuo Sugino | 1990-05-22 |
| 4869978 | Cylindrical alkaline batteries | Isao Kubo, Toshikazu Kaneko, Hirofumi Iwaki, Yoji Kajikawa, Junichi Asaoka | 1989-09-26 |