Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109533 | Air conditioner and refrigerant heater outlet temperature control method | Takahiko Ao, Yoshikazu Nishihara, Kazuhito Nakatani, Norimasa Ishikawa | 2000-08-29 |
| 6102114 | Multi-room air conditioning system | Yoshikazu Nishihara, Masanori Ogawa, Youji Takanashi, Takahiko Ao, Norimasa Ishikawa | 2000-08-15 |