Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7555007 | Integrated management system and method for network connection means in networks having different telecommunication protocols | Kiyoshi Ishida, Kenichiro Hayashi | 2009-06-30 |
| 6601773 | Heat pump type hot water supply apparatus | Kiyoshi Koyama, Yoshinori Touya, Sadahiro Takizawa, Kazuaki Shikichi, Shigeya Ishigaki +5 more | 2003-08-05 |