Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372279 | Refrigeration machine | Taichi YOSHII, Tatsuo Ishiguro, Naoya MIYOSHI, Wenping Wu | 2025-07-29 |
| 11391495 | Turbo refrigerator and startup control method therefor | Kenji Ueda, Yasushi Hasegawa | 2022-07-19 |
| 11346589 | Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program | Yasushi Hasegawa, Ryosuke SUEMITSU | 2022-05-31 |
| 10775083 | Purging device, chiller equipped with same, and method for controlling purging device | Kazuki WAJIMA, Naoya MIYOSHI | 2020-09-15 |
| 10533781 | Machine quantity controlling device, energy supplying system, machine quantity controlling method, and program | Satoshi Nikaido, Kenji Ueda, Minoru Matsuo, Koki Tateishi | 2020-01-14 |
| 10495363 | Control device and control method for bleed device | Kenji Ueda, Noriyuki MATSUKURA | 2019-12-03 |
| 10378794 | Apparatus and method for evaluating performance of centrifugal chiller | Kenji Ueda | 2019-08-13 |
| 9488387 | Heat-source selecting device for heat source system, method thereof, and heat source system | Kenji Ueda | 2016-11-08 |
| 9115921 | Performance evaluation device for variable-speed centrifugal chiller | Kenji Ueda | 2015-08-25 |
| 8812263 | Centrifugal chiller performance evaluation system | Kenji Ueda, Minoru Matsuo | 2014-08-19 |