Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171923 | Water supply tank unit and heating apparatus having the same | Yuji Hayakawa, Kouji Kanzaki, Yasuhiko Inoue, Takashi Sugimoto | 2007-02-06 |
| 5214418 | Liquid crystal display device | Kazuo Yoshioka | 1993-05-25 |