Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989433 | Air conditioner | Natsuko SUZUKI, Koji Naito, Kenji Matsumura | 2021-04-27 |
| 10907902 | Heat exchanger | Mikihito Tokudi, Koji Naito, Kenji Matsumura, Kazuhiko Tani, Masayoshi Murofushi +1 more | 2021-02-02 |
| 10895393 | Variable refrigerant flow system with pressure optimization using extremum-seeking control | Robert D. Turney, Liming Yang, Yunrui Wang, Yasutaka Yoshida, Timothy I. Salsbury +1 more | 2021-01-19 |
| 10670311 | Heat exchanger | Kenji Matsumura, Koji Naito, Mikihito Tokudi | 2020-06-02 |
| 10655878 | Variable refrigerant flow system with sub-cooling temperature optimization using extremum-seeking control | Robert D. Turney, Liming Yang, Yunrui Wang, Yasutaka Yoshida | 2020-05-19 |
| 10557648 | Cooling/heating switching unit and air conditioner including the same | Koji Naito, Naoyuki FUSHIMI, Gen Yasuda, Kazunori Fukuda | 2020-02-11 |
| 10527322 | Air conditioner | Koji Naito, Kazuhiko Tani, Masayoshi Murofushi, Gen Yasuda | 2020-01-07 |
| 10473353 | Air conditioner and defrosting operation method therefor | Kazuhiko Tani, Koji Naito, Tatsuya Mochida, Yoshiyuki Akiyama, Masami Inaba | 2019-11-12 |
| 10274211 | Air conditioner | Shuuhei TADA, Katsuaki NAGAHASHI, Koji Naito, Hayato Mori | 2019-04-30 |
| 10222108 | Air conditioner | Koji Naito, Kazuhiko Tani, Hiroaki Kaneko, Mikihito Tokudi, Rei KASAHARA | 2019-03-05 |
| 10054377 | Air conditioner | Jun XUE, Takumi Kamiaka, Masayoshi Murofushi | 2018-08-21 |
| 9618218 | Air conditioner | Koji Naito, Yasutaka Yoshida, Hiroyuki Kawaguchi, Yuki Furuta, Kazuhiko Tani | 2017-04-11 |
| 7007505 | Refrigerating device | Hiroaki Tsuboe, Susumu Nakayama, Akira Saruta | 2006-03-07 |
| 6772607 | Refrigerating device | Hiroaki Tsuboe, Susumu Nakayama, Akira Saruta | 2004-08-10 |
| 6505480 | Air-conditioner, outdoor unit and refrigeration unit | Hiroaki Tsuboe, Susumu Nakayama, Akira Saruta | 2003-01-14 |
| 6408645 | Air-conditioner, outdoor unit and refrigeration unit | Hiroaki Tsuboe, Susumu Nakayama, Akira Saruta | 2002-06-25 |
| 6305187 | Air-conditioner, outdoor unit and refrigeration unit | Hiroaki Tsuboe, Susumu Nakayama, Akira Saruta | 2001-10-23 |
| 5829262 | Capacity control device in refrigerating cycle | Kensaku Oguni, Takeshi Endo | 1998-11-03 |
| 5768902 | Refrigeration cycle and method of controlling the same | Masayuki Nonaka, Hiroaki Matsushima, Kazuhiro Endoh, Kensaku Oguni, Kyuhei Ishibane +1 more | 1998-06-23 |
| 5709090 | Refrigerating system and operating method thereof | Takeshi Endo, Hirokiyo Terada, Naoto Katsumata, Kensaku Oguni, Masatoshi Muramatsu +1 more | 1998-01-20 |
| 5651263 | Refrigeration cycle and method of controlling the same | Masayuki Nonaka, Hiroaki Matsushima, Kazuhiro Endoh, Kensaku Oguni, Kyuhei Ishibane +1 more | 1997-07-29 |
| 5410887 | Apparatus for detecting composition of refrigerant and method therefor | Kensaku Oguni, Kyuhei Ishibane, Naoto Katsumata | 1995-05-02 |
| 5353604 | Refrigeration cycle | Kensaku Oguni, Hiroaki Matsushima | 1994-10-11 |
| 5214918 | Refrigerator and method for indicating refrigerant amount | Kensaku Oguni, Susumu Nakayama, Hiromu Yasuda, Rumi Minakata, Masatoshi Muramatsu +2 more | 1993-06-01 |
| 5065588 | Air-conditioner system | Susumu Nakayama, Kensaku Oguni, Hiromu Yasuda, Rumi Minakata, Masatoshi Muramatsu +4 more | 1991-11-19 |