Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428985 | Engine-mounted autonomous flying device | Mitsuru Ishikawa | 2025-09-30 |
| 9261296 | Absorption heat pump with a thermally insulating dividing wall | Hideyuki Akaba, Kazuma Ichikawa, Mitsuru Ishikawa, Yoshiyuki Takeuchi | 2016-02-16 |
| 8579335 | Coupling structure for absorption refrigeration circuit | Hideyuki Akaba, Kazuma Ichikawa, Mitsuru Ishikawa | 2013-11-12 |
| 6483093 | Solar generator system | Kazuhito Takemura | 2002-11-19 |
| 6422033 | Absorption type refrigerating apparatus | Mitsuru Ishikawa, Nobuyuki Yuri | 2002-07-23 |
| 6247330 | Absorption type refrigerator | Mitsuru Ishikawa, Nobuyuki Yuri, Kohichi Miyashita | 2001-06-19 |
| 6176096 | Absorption type refrigerating apparatus | Nobuyuki Yuri, Mitsuru Ishikawa, Toshimitsu Takaishi | 2001-01-23 |
| 5941089 | Absorption refrigerating/heating apparatus | Toshimitsu Takaishi, Kazuma Ichikawa | 1999-08-24 |
| 5901567 | Absorption refrigerating/heating apparatus | Akira Suzuki, Manabu Kagawa, Tooru Fukuda, Toshimitsu Takaishi, Mitsuru Ishikawa | 1999-05-11 |